O&O AppBuster

O&O AppBuster is a free tool that removes unwanted pre-installed apps in Windows and restores accidentally deleted apps.

App removerPre-installed appsPrivacyRestoration

O&O AutoBackup

Automates the backup and syncing of files and folders, with real-time updates upon external drive connection.

BackupReal-Time SyncAutomatic BackupFile Protection

O&O BlueCon

Provides administrators with a complete set of tools for emergency recovery and system maintenance directly from a bootable medium.

Disaster RecoverySystem MaintenanceData RecoveryPassword ResetSecure Deletion

O&O Defrag Professional

Optimizes your PC's performance through advanced defragmentation.

DefragmentationSystem OptimizationPerformance EnhancementDisk ManagementPC Acceleration

O&O Defrag Server

Optimizes your PC's performance through advanced defragmentation.

DefragmentationSystem OptimizationPerformance EnhancementDisk ManagementPC Acceleration

O&O DeskInfo

O&O DeskInfo is a free tool that displays all important system information directly on the desktop.

System informationReal-time monitoringCPU usageMemory usageNetwork informationCustomizable displaySupport tool

O&O DiskStat

O&O DiskStat is a tool for analyzing and optimizing disk space on drives and directories in Windows.

diskspaceanalysisdiskoptimizationoptimizingsavediskspaceduplicatefilesduplicatesspacehogssystemanalysisstoragespaceharddriveharddiskcleanup

O&O Lanytix

O&O Lanytix is a free tool for quick and easy network analysis in LAN, identifying devices and displaying their details like IP and MAC addresses.

Network analysisLANIP addressMAC addressNetwork devices

O&O SafeErase Professional

Securely deletes data and internet traces using recognized methods and Fortress mode for maximum security.

Data ProtectionSecure DeletionData DestructionPrivacy Standards

O&O SafeErase Server

Securely deletes data and internet traces using recognized methods and Fortress mode for maximum security.

Data ProtectionSecure DeletionData DestructionPrivacy Standards

O&O ShutUp10++

O&O ShutUp10++ is a free antispy tool for Windows 10 and 11 that allows users to control privacy settings and disable unwanted features.

Antispy toolPrivacy controlSecurity settingsTelemetry disableData protection

O2

O2 is a safe and flexible archive for personal data, such as contacts, accounts, credit cards, Wi-Fi settings, and everything that comes to your mind.

password-managerpersonal-information-managerpim

Oahu

A standalone Audible downloader and decrypter

audibleaudiobookdecrypterdownloaderm4b

oatmeal

Terminal UI to chat with large language models (LLM) using backends such as Ollama, and direct integrations with your favourite editor like Neovim!

OBD Auto Doctor

OBD Auto Doctor provides car diagnostics for everyone by using an Onboard Diagnostics (OBD2) adapter (need to be bought separately) connected to any car (made since 1996).

Obiddable

Obiddable is an open source bidding application & process for Pennsylvania school districts.

ObinsKit

Obinskit let you customize keyboard layout, light effects and macro for ANNE PRO2

Objeck

Objeck is a 64-bit object-oriented and functional programming language designed to be fast, intuitive, and lightweight.

arm64assembly-languageccompilercplusplusdebuggersdocumentationexampleslinuxlsp-servermacosmemory-managementprogramming-languageruntime-systemwindowsx64

Object2VR - Garden Gnome Software

All-in-one program for 360 product photography.

virtual-realityvr

Objective Redact

Redaction software for security conscious organisations. Protect yourself and your organisation from accidental disclosure.

redactredactionsecurity

Objective Trapeze

Software purpose-built for planning and building teams. All the tools you need to assess, compare, annotate and approve digital plans.

buildingconstruction

Oblivion Desktop

Unofficial Warp Client

warpvpnproxyoblivionpsiphoncloudflare

obot

Obot is an open source enterprise agent platform.

aimcpmodelcontextprotocol

OBS RTSP Server Plugin

RTSP server plugin for obs-studio

obsobs-rtspserverobs-studiortsprtsp-server

OBS Studio

Free and open source software for video recording and live streaming.

fosslivelive-streamingrecordingscreen-capturescreen-recordingstreamingvideo-recording

OBS Studio Beta

Free and open source software for video recording and live streaming.

fossliverecordingscreen-capturestreamingvideo-recording

obs-asio

ASIO plugin for OBS-Studio

obs-backgroundremoval

An OBS plugin for removing background in portrait images (video), making it easy to replace the background when recording or streaming.

obs-virtualcam

obs-studio plugin to simulate a directshow webcam

obs-virtualcam

obs-studio plugin to simulate a directshow webcam

Obsidian

Obsidian is the private and flexible writing app that adapts to the way you think.

backlinkbi-directional-linkblockdocsdocumenteditorgraphknowledgeknowledge-basemarkdownmind-mapmindmapnotesoutlinerpkmreference

Obsidian Notes

Obsidian Notes extension for the Windows Command Palette

windows-commandpalette-extension

OCCT

OCCT is the most popular all-in-one stability check & stress test tool available.

ocenaudio

ocenaudio is a cross-platform, easy to use, fast and functional audio editor.

audiomediamp3musicplayerspectrogramspectrum

ocm-cli

Open Component Model Command Line Interface (ocm-cli)

ocmopen-component-model

OCS Inventory NG Agent

OCS Inventory NG Agent for Windows

OCSysInfo

A basic, high-level and efficient CLI for discovering hardware information about the current system.

hackintoshhardwarehardware-detectionopencoresystem-info

OctaCore Utils

Unix-like CLI utilities for Windows.

cliunixcoreutilsdeveloper

Octave

Scientific Programming Language

datadata-sciencemathmathematicsmatlabnumerical-computationprogramming

Octo Mesh Admin Command Line

Management tool for admins using Octo Mesh

October 2025 GDK Update 2

The Microsoft Game Development Kit (GDK) contains the common tools, libraries, and documentation needed to build games for Xbox Game Pass for PC on Windows 10/11, Xbox consoles (Xbox Series X|S, Xbox One), and cloud gaming with Xbox Game Pass Ultimate.

d3d12GDK

octobuild

Compiler cache for Unreal Engine

c-plus-pluscachecplusplusunreal-engine

Octoparse

A no-coding solution for web scraping to turn pages into structured data within clicks.

datascrapespiderweb

Octopus

一个简单、美观且优雅的个人大语言模型 API 聚合与负载均衡服务

人工智能代理大语言模型聊天机器人

Octopus

A no-coding solution for web scraping to turn pages into structured data within clicks.

datascrapespiderweb

Octopus CLI

Work seamlessly with Octopus Deploy from the command line.

public

Octopus Deploy Server

Octopus Deploy makes it easy to automate your deployments and operations runbooks from a single place, helping you ship code faster, improve reliability, and break down dev & ops silos.

builddeploydevopsdotnetoctopus

Octopus Deploy Tentacle

Tentacle is the deployment agent for Octopus, a deployment system for .NET developers.

builddeploydevopsdotnetoctopustentacle

Oculus

Download and install VR software to desktops or laptops. Plug your headset into your PC to configure external sensors and roomscale. Access and browse our top VR titles from your desktop, Meta Quest mobile app or while you're in virtual reality.

oculusquestvirtual-realityvr

Oculus Platform Utility

The Oculus platform utility is a command-line tool that enables you upload builds to your release channels much faster than using the developer dashboard web interface, and it enables larger upload packages.

metaoculusquestrift

ODA Viewer

ODA Viewer incorporates the power and flexibility of ODA into a single application that can visualize all ODA supported file formats and illustrate other visualize-related features like visual styles and markup.

ODADrawingsExplorer

ODA Drawings Explorer incorporates the power and flexibility of ODA into a single application that can render both .dwg files and .dgn files using a common command interface for both formats.

ODAFileConverter

Convert between different versions of .dwg and .dxf

Odamex

Multiplayer-oriented source port for Doom

doomgamemultiplayer

Odassey

Conveniently explore OData v4 endpoints

odasseyodataodata-v4

ODBC Driver for Teradata - Suite 20.00.34

ODBC Driver for Teradata - Suite

Odin Programming Language

Odin is a general-purpose programming language with distinct typing built for high performance, modern systems and data-oriented programming.

cc++data-oriented-programming-languageodinprogrammingprogramming-languagesoftware-developmentsoftware-programming

odrive

universal sync client. It makes any cloud storage unified, synchronized, shareable, and encrypted.

cloud

Office 365 on Electron

An unofficial cross platform Electron client for Office Web

Office consumer on Electron

An unofficial cross platform Electron client for Office Web

Office Deployment Tool

A command-line tool that you can use to download and deploy Click-to-Run versions of Office, such as Microsoft 365 Apps for enterprise, to your client computers.

business-toolclicommand-linedeploymicrosoftmicrosoft-officemicrosoft365microsoftofficeodtofficeoffice-deployment-toolrequirescmd

Office Tab

With OfficeTab you can open multiple documents in the programs of the Microsoft Office suite in a single window.

multiple-documentsofficesingle-windowtabtabbed-interface

Office Tab Enterprise

With OfficeTab you can open multiple documents in the programs of the Microsoft Office suite in a single window.

multiple-documentsofficesingle-windowtabtabbed-interface

Office Timeline

Make effective Gantt charts in half the time.

chartganttpowerpointtimeline

OfficeCLI

The first and best command-line tool purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.

docxexcelofficeopenxmlpowerpointpptxwordxlsx

Official app for https://saxobroko.com

Official app for https://saxobroko.com

Official Krunker.io Client

Desktop Client For Krunker

OFGB (Oh Frick Go Back)

GUI Tool To Removes Ads From Various Places Around Windows 11

c#freefree-and-open-sourceguigui-appopen-sourcetweaking-toolwindows11-ad-removalwindows11-tweaking-toolwpf

Oh My Posh

Prompt theme engine for any shell

bashcmdgitnerd-fontsnushellpowershellstarshiptooltipsconsolecommand-lineshellwsldeveloper-toolsutilitiescliterminal

oh-my-dot

A cross platform dotfile manager

oha

HTTP load generator, inspired by rakyll/hey with tui animation

OhHai Browser

Web browser build for users who want a different experience.

OHRRPGCE

Official Hamster Republic Role Playing Game Construction Engine

2dgamegame-enginehamsterrpg

OIDC command line client

An OIDC command line client

ojdkbuild OpenJDK

Community builds using source code from OpenJDK project

ojdkbuild OpenJDK 17

Community builds using source code from OpenJDK project

openjdk

ojdkbuild OpenJDK JRE 17

Community builds using source code from OpenJDK project

openjdk

Okane

a small tool to organize all your financials in your cli

clifinancelinuxmanagermoneyorganizeorganizerwindows

okapi

Collection of tools that support workflows for authentic data and identity management.

didself-sovereign-identityverifiable-credentialszkp

okms-cli

The Command Line Interface to interact with your OVHcloud KMS services.

okteto

Okteto is a cloud-native development platform that bridges the gap between local development and production, enabling seamless development and deployment in Kubernetes clusters.

cloud-nativecloud-native-developersdebugdeveloper-toolsdevelopmentdockerhacktoberfesthelmkubernetesokteto

Okular

The Universal Document Viewer

annotateannotationcommentebookpdfreadreaderviewer

Okular (AppX)

Fast and packed with features, Okular allows you to read PDF documents, comics and EPub books, browse images, visualize Markdown documents, and much more.

kdeokularkde-okularannotateannotationcommentebookse-booksepubpdfreaderviewerdocuments9n41msq1wnm8

OKX

OKX desktop client

OLAP PivotTable Extensions

An Excel add-in which extends the functionality of PivotTables on Analysis Services cubes, Excel Data Model (Power Pivot), and Power BI

excelpivot-table

Oldschool RuneScape

OldSchool Runescape Client

OLEDShift

A small system tray utility that moves around the windows on the screen to prevent burn-in

nwgoledrustsystem-traywin32-apiwindows

Olive Video Editor

Professional open source video editor

video-editing

Ollama

Get up and running with large language models locally.

aichatbotdeepseeklarge-language-modelllamallmmistralqwen

Ollama (Portable)

Start building with open models.

deepseekgemmagemma3glmgogolanggpt-ossllamallama3llmllmsminimaxmistralollamaqwen

Ollama Operator

Yet another operator for running large language models on Kubernetes with ease. Powered by Ollama! 🐫

clustercontainerdockerk8skubernetesollama

ollamate

Ollama chat client powered by Tauri & Next.js

ollama

OLP CLI

With the Command Line Interface you can access HERE platform services from a command line or with scripts.

OLP CLI Native

With the Command Line Interface you can access HERE platform services from a command line or with scripts.

Olvid

Olvid is a private and secure end-to-end encrypted messenger.

Olympus

Olympus - Cross-platform Celeste Mod Manager

OmegaT

The free computer aided translation (CAT) tool for professionals

omnictl

A command line tool for communicating with Omni

k8skubernetesomnitalos

OmniEdgeCLI

Zero-Config P2P Mesh VPN for AI, Robotics, and Edge Computing

omniedge

OmniGet

Desktop app to download videos, courses, and media from 50+ platforms.

bilibili-downloadercourse-downloaderdownload-managerhotmart-downloaderinstagram-downloadermedia-downloaderreddit-downloaderrusttauritiktok-downloadertwitter-downloaderudemyudemy-downloadervideo-downloaderyoutube-downloaderyt-dlp

OmniRig

CAT engine for Ham Radio Transceiver/Receiver control

Omnissa Dynamic Environment Manager Enterprise

Omnissa DEM Enterprise Edition is the full-featured version of Dynamic Environment Manager.

Omnissa Horizon Client

Connect to your Omnissa Horizon virtual desktop from your device of choice.

vdivirtual-desktopworkspace

Omnissa Workspace ONE Experience Management

WWorkspace ONE Experience Management helps organizations gain insights into the employee experiences.

workspace-one, deem, omnissa, dex, ws1

OMP Manager

A TUI manager for Oh My Posh — browse themes, install fonts, and configure shells

clioh-my-poshpromptterminaltui

omsi-launcher

Launcher to manage instances of the popular bus simulator OMSI 2

bus-simulationbus-simulatoromsiomsi2

OnCue

Trial Presentation Software

One API

LLM API management & key redistribution system, unifying multiple providers under a single API. Single binary, Docker-ready, with an English UI.

aichatbotlarge-language-modelllmopenai-api

One Hub

一站式 OpenAI API 聚合服务。

chatgptopenai

One Tagger

The ultimate cross-platform tagger for DJs

djtagging

One-Click-Backup

Simple Program to backup folders to an external location by copying them

one-wallhaven

An electron wallpaper client.

electronwallpaper

OneAdvanced Orphan Rehomer

Orphan Document Tool

OneCommander

A modern file manager for Windows 10 and Windows 11.

directoryexplorerfilefile-managerfindfolder

onecopy-electron

Save all information and paste them whenever you need them

onefetch

Command-line Git information tool

clicommand-linecommand-line-interfacegitrusttool

OneKey Wallet

Multi-chain support for BTC/ETH/BNB/NEAR/Polygon/Solana/Avalanche/Fantom and others

bitcoinblockchaindefielectronreactwalletweb

onekeymap-cli

Universal keymap configuration tool for VSCode, Zed, IntelliJ and more

OneLeft

A TRADITIONAL BOARD GAME

OneMark

Markdown Plugin for Microsoft OneNote

markdownonenote

OneMoreAddIn

A OneNote add-in with simple, yet powerful and useful features.

extensionhotkeynoteofficeonenoteplugin

OneNote Client Diagnostics Tool

Enables users to collect and send Diagnostics Logs from within OneNote to help the Support team when working with Customers on issues they are experiencing.

OneNote Tagging Kit

OneNote (desktop) add-in to manage OneNote pages by page tags

microsoft-officenoteofficeoffice-extensionoffice-pluginonenotetagtagging

OneScript engine

OneScript engine

command-lineconsoleonescriptoscript

Onetab Re

An app for backing up and better displaying OneTab data powered by Tauri.

onetab

OneWare Studio

The easiest way to program your FPGA or Microcontroller. Required for ONE AI.

electronicfpgaideoneai

OnionShare

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network

cross-platformfile-sharingfossopen-sourceprivacysecuritysharingtortor-onion-service

OnionShare Dev

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network.

cross-platformfile-sharingfossopen-sourceprivacysecuritysharingtortor-onion-service

Onkyo X-ME11 DSP Software

Digital Signal Processing mixboard for the Onkyo X-ME11 car audio system.

onkyocaraudioonkyo-car-audiodigitalsignalprocessingdigital-signal-processingx-m11-pcxme11pcmixingboardmixboardsoundconfigurationsound-configurationcarstereocar-stereo

OnlyKey App

The OnlyKey App is used for the initial setup and configuration of OnlyKey.

ONLYOFFICE Desktop Editors

All the tools you need to work with text documents, spreadsheets, presentations, and fillable forms on Windows, Linux, and macOS.

documenteditorexcelofficepowerpointpresentationspreadsheettext-editorword

OnSIP

A Business Phone for Modern Teams

sipsoftphonetelephonetelephony

OnTheSpot

A GUI music downloader for Apple Music, Bandcamp, Deezer, Qobuz, Spotify, Tidal, and More

apple-music-downloaderbandcamp-downloadercrunchyroll-downloaderdeezer-downloaderqobuz-downloaderspotify-downloadertidal-downloaderyoutube-downloader

ontime

Free, open-source time keeping for live events

entertainmentstagestage-managementstage-timervideo

OOMOL Studio

AI Workflow IDE

aicodecodingdevelopdevelopmenteditingeditorprogramming

OONI Probe

OONI Probe is a free and open source software designed to measure internet censorship and other forms of network interference.

desktop-appelectronhacktoberfestmacosnextjsooniooniprobereactjswindows

OP Auto Clicker

A full-fledged autoclicker with two modes of autoclicking, at your dynamic cursor location or at a prespecified location.

auto-clicker

opam

A package manager for OCaml.

fossocamlopen-sourcepackage-managerdependency-manager

OPC Server for W&T Network Devices

Access W&T network devices via OPC (OPC DA, OPC A&E)

Open Capture and Analytics Tool (OCAT)

The Open Capture and Analytics Tool (OCAT) provides an FPS overlay and performance measurement for D3D11, D3D12, and Vulkan.

amdd3d11d3d12fpsfps-overlaymeasurementocatoverlayperformancevulkan

Open CoreUI

Open CoreUI - A rewritten Open WebUI in Rust, significantly reducing memory and resource usage, requiring no dependency services, no Docker, with both a server version and a Tauri-based desktop client. (formerly Open WebUI Lite)

aichatbotlarge-language-modelllmopenwebui

Open CoreUI Desktop

Open CoreUI - A rewritten Open WebUI in Rust, significantly reducing memory and resource usage, requiring no dependency services, no Docker, with both a server version and a Tauri-based desktop client. (formerly Open WebUI Lite)

aichatbotlarge-language-modelllmopenwebui

Open Live Writer

Open Live Writer makes it easy to write, preview and post to your blog.

Open Policy Agent

Open Policy Agent (OPA) is an open source, general-purpose policy engine that enables unified, context-aware policy enforcement across the entire stack.

Open Rails

Open Rails Setup

Open Shop Channel Downloader

Desktop utility for obtaining homebrew contents from the Open Shop Channel, by dhtdht020.

pysidepyside6pythonqt

Open Tuner

An open source client that can communicate directly with the BATC Minitiouner over USB.

batcminitiounerlongmyndwinterhilldmqttdatvftdipicotuneramateurradiosatellitecommunications

Open Video Downloader

A cross-platform GUI for yt-dlp (youtube-dl) made in Tauri and Vue 3

downloadrustvuevideoyoutubeyt-dlpyoutube-dl

Open Video Downloader

A cross-platform GUI for youtube-dl made in Electron and node.js

downloaderyoutube

Open-Shell

A collection of utilities bringing back classic features to Windows.

classic-menuclassic-shellclassic-startexplorerfile-explorerstart-menustartmenuwin7windows7

openage

Free (as in freedom) open source clone of the Age of Empires II engine

OpenAI Translator

Cross-platform desktop application for translation based on ChatGPT API.

chatgptopenaitranslatetranslationtranslator

OpenAL

OpenAL is a cross-platform 3D audio API appropriate for use with gaming applications and many other types of audio applications.

3d-audioapicreativeeaxefx

openapi-oathkeeper

Generate Ory Oathkeeper access rules from an OpenAPI 3 contract.

OpenAPI.NET Hidi

Contains a useful object model for OpenAPI documents in .NET along with common serializers to extract raw OpenAPI JSON and YAML documents from the model.

openapidotnetopenapi-dotnetcsdl-documentsopenai-pluginsrequirescmd

OpenArena

OpenArena is a community-produced deathmatch FPS based on GPL idTech3 technology.

OpenAudible

A cross-platform desktop application for downloading and managing your Audible audiobooks.

audibleaudioaudiobookbook

OpenBB Terminal

OpenBB Terminal is a modern investment research platform for everyone. It is a desktop application that allows you to access all the data and tools you need to make better investment decisions.

finance

OpenBoard

Interactive whiteboard for schools and universities

educationwhiteboard

OpenBPX

Blueprint toolkit for Unreal Engine package assets.

unrealunreal-enginecligamedev

openBVE

A license-free, open source, free of charge train driving simulator.

gamegamingmetrorailwaysimulatesimulationsimulatorsubwaytrainunderground

OpenChrom

Open Source software for chromatography, spectrometry and spectroscopy

chemistrychromatographyspectrometryspectroscopy

OpenCL™, OpenGL®, and Vulkan® Compatibility Pack

A mapping layer, which implements the OpenCL 1.2 API on top of D3D12. It also implements the OpenCL ICD extension, and can therefore be loaded by the existing ICD loader.

openclon12opencl-on-12opencl-on-d3d12opengl-compatibility-packuniversal_d3dmappinglayeruniversald3dmappinglayersuniversal-d3d-mapping-layersclon12compilercl-on-12-compilervulkanon12vulkan-on-12dozen-mesad3dagilitysdkd3d-agility-sdkdxil.dll9nqpsl29bfff

opencode

The AI coding agent built for the terminal.

aicodecodingdevelopdevelopmentprogramming

OpenCode

OpenCode is an open source agent that helps you write and run code with any AI model. It''s available as a terminal-based interface, desktop app, or IDE extension.

aicodecodingdevelopdevelopmentprogramming

OpenComic

Comic and Manga reader, written with Node.js and using Electron

comiccomic-viewercomics-readerelectronepub-readerimage-viewerjavascriptlinuxmacosmangamanga-readermanga-viewermanwhanodejsnovel-readerpdf

OpenCore Auxiliary Tools

Cross-platform GUI management tools for OpenCore (OCAT)

OpenCoWork

Open-source desktop platform for multi-agent collaboration. Empowering AI agents with local tools, parallel teamwork, and seamless workplace integration.

agentagenticailarge-language-modelllm

OpenCPN

A concise ChartPlotter/Navigator. A cross-platform ship-borne GUI application supporting * GPS/GPDS Postition Input * BSB Raster Chart Display * S57 Vector ENChart Display * AIS Input Decoding * Waypoint Autopilot Navigation

aisautopilotboatingchartsgpsgribgrib2marinenauticalnautical-chartsnavigationnmeanmea2000sailingsignalkweather

OpenCppCoverage

OpenCppCoverage is an open source code coverage tool for C++ under Windows.

OpenDeck

Windows software for the Stream Deck with support for original Elgato Stream Deck plugins

cross-platformelgatolinuxopenactionstreamdeck

OpenDirectoryDownloader

Indexes open directories listings in 130+ supported formats, including FTP(S), Google Drive, Bhadoo, GoIndex, Go2Index (alternatives), Dropbox, Mediafire, GoFile, GitHub.

directoryhttphttpsindexeropenparser

OpenDrive

Simple google drive client

electrongooglegoogle-driveopendrive

OpenDsc Local Configuration Manager

A cross-platform Local Configuration Manager (LCM) service for continuous DSC monitoring and remediation.

dscconfiguration-managementinfrastructure-as-codelcmmonitoring

OpenDsc Resources

A comprehensive set of built-in DSC resources for Windows and cross-platform management.

dscconfiguration-managementinfrastructure-as-codewindowsdotnet

OpenDsc Resources Portable

A comprehensive set of built-in DSC resources for Windows and cross-platform management (portable edition).

dscconfiguration-managementinfrastructure-as-codeportablewindows

OpenedFilesView

View opened/locked files in your system.

openElement

WEBSITE EDITOR WITH TOTAL CONTROL - MODIFY ANY ELEMENT AND STYLE THE WAY YOU WANT.

openexr-viewer

Simple viewer for OpenEXR images with detailed metadata probing.

OpenFang

Open-source Agent Operating System

agentagenticaichatbotclawlarge-language-modelllm

OpenFreebuds

OpenFreebuds is a management software for HUAWEI FreeBuds/Honor EarBuds series devices for computer.

ai-lifefreebudshonor-earbudshuawei

OpenGOAL Launcher

A launcher for the OpenGOAL Project to simplify usage and installation

daxterdecompilationgoaljaklisp

OpenHantek6022

DSO software for Hantek USB digital signal oscilloscopes 6022BE / BL.

digital-storage-oscilloscopedsohantekhantek6022oscilloscope

OpenHashTab

OpenHashTab is a shell extension for conveniently calculating and checking file hashes from file properties.

explorerextensionhashhashes

OpenHV

Open Source Real Time Strategy Game

gamestrategyrtsscifipixelart

OpenJazz

OpenJazz is a free, open-source version of the classic Jazz Jackrabbit™ games.

classicfossgamesjazz-jackrabbit

OpenJDK 11

Community builds using source code from OpenJDK project

openjdk

OpenJDK 13

Community builds using source code from OpenJDK project

OpenJDK 14

Community builds using source code from OpenJDK project

OpenJDK JRE 11

Community builds using source code from OpenJDK project

openjdk

OpenKara

Turn your music library into a karaoke stage.

karaokemusiclyricsaitauri

OpenKey

Vietnamese Input for macOS, Windows and Linux - Bộ gõ Tiếng Việt nguồn mở đa nền tảng

bogoccplusplusgotiengvietmacmacosobjective-ctcvn3telexunicodeunikeyunikeyformacvietkeyvni

OpenKeyboard

This keyboard app is meant for Windows tablet users. Started out as a project to create a small and useful keyboard, and expanded into becoming able to create any sort of keyboard that can run shortcuts.

touchkeyboardtouch-keyboardonscreenkeyboardon-screen-keyboardoskvirtualkeyboardvirtual-keyboard

OpenKneeboard

A tool for notes and reference information in flight simulators (VR and non-VR)

dcsdcs-worldkneeboardmsfsmsfs-2020openxropenxr-layeropenxr-layersvirtual-reality

OpenLens

Open source build for Mirantis Lens. This build does not require you to log in and includes only open source part.

clusterdockerk8skuberneteslens

OpenList

A file list program that supports multiple storage, powered by Gin and Solidjs.

fileserversharestorage

OpenList (Lite)

A file list program that supports multiple storage, powered by Gin and Solidjs.

fileserversharestorage

OpenList Desktop

A cross-platform desktop application for OpenList with local disk mounting

openlist

OpenLP

Experience the power of open source in your church with worship presentation software designed to fit how you want to run your service

OpenMPT

A powerful audio application that makes writing music fun, easy and efficient.

audiomodplugmusictracker

openMSX

The MSX emulator that aims for perfection.

emulatormsx1msx2c-bioscbioscatapultopen-msx

OpenMW

Open-source engine reimplementation for the role-playing game Morrowind.

OpenNetMeter

A simple program to monitor your network/data usage. Made for the average windows user.

internetmetermonitornetworkusagewindowswpf

OpenObserve

A cloud native observability platform built specifically for logs, metrics, traces and analytics.

analyticsdatadogelasticsearchjaegerkibanalog-analyticslog-managementlog-searchlogsmetricsmonitoringobservabilityopentelemetryprometheusrust-langtraces

openocd-xpack

Open On-Chip Debugger for Windows

OpenOffice

The Free and Open Productivity Suite

docsdocumenteditorexcelofficepowerpointpresentationsheetslidespreadsheetwordwork

OpenOrienteering Mapper

A free software for drawing orienteering maps

OpenOSRS Launcher

OpenOSRS Launcher Setup

OpenPubkey SSH

A tool which enables SSH to be used with OpenID Connect, allowing SSH access management via identities like alice@example.com instead of long-lived SSH keys.

encryptionkeysopenidconnectpktokenssecureshelldaemonsshdserversshkeyssshpublickeys

OpenRA

OpenRA modernizes the classic Command & Conquer real time strategy games.

commandconquerdunegamered-alertrtsstrategytiberian

OpenRA

OpenRA modernizes the classic Command & Conquer real time strategy games.

commandconquerdunegamered-alertrtsstrategytiberian

OpenRCT2

Open source re-implementation of RollerCoaster Tycoon 2

gamegamingrollercoaster-tycoon

OpenRefine

A free, open source power tool for working with messy data and improving it

datadata-cleaningdata-curationdata-pipelinedata-transformationdata-wrangling

OpenRGB

Open source RGB lighting control that doesn't depend on manufacturer software.

openrgbopensourcergbrgb-controller-software

OpenRGB Effects Plugin

OpenRGB plugin providing a wide variety of customizable effects that synchronize across devices.

OpenRGB Hardware Sync Plugin

OpenRGB plugin for syncing RGB device colors with hardware measurements (CPU, GPU, fan speed, etc...)

OpenRGB Visual Map Plugin

OpenRGB plugin for grouping and organizing devices on a spatial map.

OpenRocket

OpenRocket simulation software

OpenRPA

Free Open Source Enterprise Grade RPA

automationiiotiotmultiple-robotsopenflowrpaworkflow

OpenSC smartcard framework

Open Source smartcard driver for Windows

cminidriveropenscpkcs11securitysmartcardtokenend

OpenSC smartcard framework Light

Open Source smartcard driver for Windows

cminidriveropenscpkcs11securitysmartcardtokend

OpenSCA-cli

OpenSCA-cli is a supply-chain security tool for security researchers and developers.

cyclonedxlicense-compliancesbomscasecuritysoftware-supply-chainspdxstatic-analysissupply-chainvulnerabilities

OpenSCAD

OpenSCAD is software for creating solid 3D CAD objects.

3d3d-graphics3d-printingcadopenscad

OpenSCAD Nightly

OpenSCAD is software for creating solid 3D CAD objects.

3d3d-graphics3d-printingcadopenscad

OpenScreen

Free, open-source screen recording and editing app with zoom, crop, annotations, and motion blur.

electronopen-sourcescreen-capturescreen-recordervideo-editor

OpenSearch SQL ODBC Driver

OpenSearchODBC is a read-only ODBC driver for Windows and Mac for connecting to OpenSearch SQL support.

OpenShift Client

Red Hat OpenShift Container Platform command-line client.

containerskubernetesopenshift

OpenShot Video Editor

An award-winning, open-source video editor

clipcreativecreativityediteditorfilmmovievideovideo-editingvideo-editor

OpenSpeedy

🎮 An open-source game speed modifier.[一款开源的游戏变速器]

cplusplusgamedevgamemodpcqtspeed-enginetoolkitwindows

OpenSSH Preview

Microsoft.OpenSSH.Preview

sshsshdsftpscp

OpenSSH_GUI

A simple GUI front-end for OpenSSH for Windows, Linux and Mac!

OpenSSL

Install OpenSSL - a robust, commercial-grade, full-featured toolkit for general-purpose cryptography and secure communication.

OpenSSL Light

Install the most commonly used essentials of OpenSSL - a robust, commercial-grade, full-featured toolkit for general-purpose cryptography and secure communication.

OpenStego

A steganography application

steganographywatermarking

OpenStore

Download any of my open source programs in just a few clicks.

openSUSE Leap 15.6

The makers' choice for sysadmins, developers and desktop users.

distrolinuxwsl

openSUSE Tumbleweed

The makers' choice for sysadmins, developers and desktop users in a rolling release.

distrolinuxwsl

Opensvip

Singing synthesis project converter

OpenTabletDriver

Open source, cross-platform, user-mode tablet driver

cross-platformcsharpdotnet-coredriveruserspace-driver

OpenTAP

An Open Source project for fast and easy development and execution of automated tests.

automationdevelopdevelopmenttest

OpenText Universal Reporter

MSPs and admins often need to run reports for their clients. This new tool lets you easily create completely customized reports that streamline the process, enabling you to save time and show real value from any data source.

OpenTofu

OpenTofu lets you declaratively manage your cloud infrastructure.

OpenTofu

OpenTofu lets you declaratively manage your cloud infrastructure.

hclopentofuterraformtofu

OpenTofu

OpenTofu lets you declaratively manage your cloud infrastructure.

OpenTofu

OpenTofu lets you declaratively manage your cloud infrastructure.

OpenToonz

An open-source full-featured 2D animation creation software.

OpenTrace

A cross-platform GUI wrapper for NextTrace. Bringing you the familiar traceroute experience.

networknetwork-analysistracerouteutility

opentrack

Head tracking software for MS Windows, Linux, and Apple OSX

c-plus-plusc-plus-plus-17flight-simulatorheadtrackinglinux-appopencvqt5wiimote

Opentrons

Software for writing protocols and running them on the Opentrons Flex and Opentrons OT-2

biologyrobotics

OpenTTD

OpenTTD is a transport simulation game based upon the popular game Transport Tycoon Deluxe, written by Chris Sawyer. It attempts to mimic the original game as closely as possible while extending it with new features.

gameopen-source-gametransport-tycoonttdtycoon

OpenTXCompanion

OpenTX Companion is used for many different tasks like loading OpenTX firmware to the radio, backing up model settings, editing settings and running radio simulators.

OpenUTAU

OpenUtau is an open source editing environment for UTAU community with modern user experience.

musicopenutausinging-synthesissinging-voice-synthesisspeech-synthesisutauvocal-synthesisvocaloidvogen

OpenUTAU Beta

Open singing synthesis platform / Open source UTAU successor

musicopenutausinging-synthesissinging-voice-synthesisspeech-synthesisutauvocal-synthesisvocaloidvogen

OpenVPN

Create secure VPN connections over the internet with this VPN-software

networkvpn

OpenVPN Configuration Generator

The OpenVPN Configuration Generator is designed to make generating server and client configurations for an OpenVPN server and Viscosity easier.

configurationopenvpnviscosityvpn

OpenVPN Connect

Securely access your organization's network resources

networkvpn

OpenVR Advanced Settings

OpenVR Advanced Settings is a desktop overlay application for OpenVR/SteamVR, giving you a wide array of settings and utilities all while in VR.

OpenWebStart

Run Web Start based applications after the release of Java 11

javajdkjnlpjreweb

OpenWork

An open-source alternative to Claude Cowork, powered by OpenCode

agentagenticailarge-language-modelllmopencode

OpenZFS On Windows

OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.

Opera Air

The world’s first browser with mindfulness at its core - no subscriptions, no app juggling. Discover a focused, balanced, and stress-free web.

browserchromiuminternetmanifestv2mv2webwebpage

Opera beta

The Opera browser includes everything you need for private, safe, and efficient browsing, along with a variety of unique features to enhance your capabilities online.

browserchromiuminternetwebwebpage

Opera Crypto Stable

Experience the Web3 browser for crypto users. Get crypto-oriented security enhancements, manage multiple crypto wallets simultaneously, and access Discord, Telegram and more directly from the sidebar.

browserchromiumcryptointernetwebwebpage

Opera developer

The Opera browser includes everything you need for private, safe, and efficient browsing, along with a variety of unique features to enhance your capabilities online.

browserchromiuminternetwebwebpage

Opera GX Stable

Opera GX is a special version of the Opera browser which, on top of Opera’s great features for privacy, security and efficiency, includes special features designed to complement gaming.

chromiuminternetmanifestv2mv2webweb-browserwebbrowserwebpage

Opera Stable

The Opera browser includes everything you need for private, safe, and efficient browsing, along with a variety of unique features to enhance your capabilities online.

browserchromiuminternetmanifestv2mv2webwebpage

Operation Center

Dual-Pane File Manager.

opscan

A open port scanner.

networkportscanscanner

opsly

CLI tool to setup a hosted Opsly install.

Optimate SOLIDWORKS Plugin

A plugin for SOLIDWORKS to integrate Optimate services

OptiPNG

A PNG optimizer that recompresses image files to a smaller size, without losing any information. This program also converts external formats (BMP, GIF, PNM and TIFF) to optimized PNG, and performs PNG integrity checks and corrections.

filesizeimagecompressingdiskspacecompressioncompressoroptimizingoptimisingoptimizeroptimiserlosslesszliblibpngrequirescmd

opus-tools

Provides command-line utilities to encode, inspect, and decode .opus files.

opustoolslibopus-1.3ietfinternetengineeringtaskforceinternet-engineering-task-forceoggfilesogg-filesopusfilesopus-filesaudiocodecaudio-codecxiphorgfoundationxiph-org-foundationxiph.org-foundationrequirescmd

Oracle Linux 7.9

Easily run Oracle Linux on your Windows Desktop

distrolinuxwsl

Oracle Linux 8.10

Easily run Oracle Linux on your Windows Desktop

distrolinuxwsl

Oracle Linux 8.7

Easily run Oracle Linux on your Windows Desktop

distrolinuxwsl

Oracle Linux 9.1

Easily run Oracle Linux on your Windows Desktop

distrolinuxwsl

Oracle Linux 9.5

Easily run Oracle Linux on your Windows Desktop

distrolinuxwsl

Oracle VirtualBox

VirtualBox is a general-purpose full virtualization software for x86_64 hardware (with version 7.1 additionally for macOS/Arm), targeted at laptop, desktop, server and embedded use.

cross-platformfossvirtual-machinevirtualization

OraDB DUMP Viewer

Oracle EXP/EXPDP DUMPファイルビューア

oracledumpviewerdatabase

OraDB DUMP Viewer (Beta)

Oracle EXP/EXPDP DUMPファイルビューア (Beta)

oracledumpviewerdatabasebeta

Orange

A cross-platform desktop application for searching local files.

directoryfilefindfoldersearch

Orange

Open source machine learning and data visualization.

chartdatadata-analysisdata-miningdata-sciencegraphgraphicspythonvisualization

OrangeJuiceModMaker

100% Orange Juice Modding Tool

OrangePlayer

An audio player to play local audio files and show its audio spectrum.

local-music-playermusicmusic-playerorange-player

ORAS CLI

OCI registry client - managing content like artifacts, images, packages

dockerociregistrystorage

Orb

Orb is an intelligent app & platform to continuously monitor the quality of your internet connections, from any platform or device.

internet-speedmonitoringspeedtest

Orbitron

Orbitron Setup

Orbx Central

Orbx's all-in-one purchase and installation platform.

Orca-Flashforge

Orca-Flashforge 3D slicer

3DPrintingSlicer

OrcaSlicer

G-code generator for 3D printers (Bambu, Prusa, Voron, VzBot, RatRig, Creality, etc.)

3d3d-printer3d-printingmakermodelslicer

OrgCharting

Create Data-interactive Org Charts

chartdesigndiagramdrawgraphgraphicsorganizationorganizational-chart

OrgCharting

Professional Organization Management Software

chartdesigndiagramdrawgraphgraphicsorganizationorganizational-chart

Origin

Play great PC games and connect with your friends, all in one place.

eagamesgaminglauncheroriginstore

ORM_Core

Old Variable: ORM is a system to design, manage and report on your products and keep an eye on stock.

product-designproduct-managementreportingstock-managementstock-ordering

Orsay Simulator 2013

Java simulator of the Samsung 2013 Smart TV Interface

OSCAR

Open source software for reviewing and exploring data produced by CPAP and related machines used in the treatment of sleep apnea.

apapbipapcpaposcarsleep-apnea

OSCDIMG

CD-ROM and DVD-ROM Premastering Utility

OSFMount

OSFMount allows you to mount local disk image files (bit-for-bit copies of an entire disk or disk partition) in Windows as a physical disk or a logical drive letter.

OSForensics

Digital investigations for a new era

OSPRay

An Open, Scalable, Portable, Ray Tracing Based Rendering Engine for High-Fidelity Visualization.

c-plus-plusospraypath-tracerray-tracingrenderingvisualization

osquery

SQL powered operating system instrumentation, monitoring, and analytics.

hacktoberfestintrusion-detectionmonitoringsecuritysql

OSSEC HIDS

OSSEC (Open Source HIDS SECurity) is a free, open-source host-based intrusion detection system (HIDS).

osslsigncode

OpenSSL based Authenticode signing for PE/MSI/Java CAB files.

osu!(lazer)

rhythm is just a *click* away!

beatmap-parsergameosurhythmrhythm-game

osukps

适用于osu! (或任意其他节奏游戏）的按键显示

keykpsosu节奏游戏音乐游戏音游按键按键显示

osukps

A keys-per-second meter for osu! (or any rythm game), useful for live streaming and making videos.

kpsosurythm-gamesstepmania

OSV Scanner

Vulnerability scanner written in Go which uses the data provided by https://osv.dev

scannersecurity-auditsecurity-toolsvulnerability-scanner

Otter Browser

Otter Browser aims to recreate the best aspects of the classic Opera (12.x) UI using Qt5.

OutCALL

Asterisk - Outlook integration (click2dial and popup recognition)

Outer Wilds Mod Manager

The mod manager for the Outer Wilds Mod Loader

guiouter-wildsmodsmod-manager

Outerbase Studio

Outerbase Studio is a lightweight GUI for managing SQL databases, designed for simplicity and versatility.

Outline

The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and Markdown compatible.

collaboratecollaborationdocsdocumenteditorknowledgeknowledge-basenotesshareteam

Outline Manager

Outline Manager, developed by Jigsaw. The Outline Manager application creates and manages Outline servers, powered by Shadowsocks. It uses the Electron framework to offer support for Windows, macOS and Linux.

dockerelectronproxy-servershadowsocks

Outlook Calendar Sync

OutlookCalendarSync

Outlook for Office365

Outlook Web Application as a dedicated application. This hosts mail.office365.com and is suitable for using with enterprise work or school environments

electronemailmailmicrosoftofficeoffice365outlook

Outlook for Outlook.com

Outlook Web Application as a dedicated application. This hosts outlook.com and is suitable for using for personal email.

electronemailmailmicrosoftofficeoutlook

Outlook Google Calendar Sync

Sync Outlook and Google calendars.

Outlook Google Calendar Sync (Alpha)

Sync Outlook and Google calendars.

Outlook Window Hook

Keeps Outlook running when main window is closed

Outlook4Gmail

Plugin for synchronization of Outlook and Gmail contacts

Outlookmailprocessor_V35

outlook mail processor and print

outlookmailprocessor_v35

ov

Feature rich terminal pager

OverKeys

Learn and practice alternative layouts, personalize appearance, and improve your typing. An open-source, customizable on-screen keyboard for Windows.

flutterkanatakeyboardkeyboard-layoutkeymapwin32windows

Overlayed

A modern, open-source, and free voice chat overlay for Discord that supports Mac, Linux, and Windows!

discorddiscord-overlayoverlayreacttailwindtauritauri-appvite

OverlayTimer

OverlayTimer is a timer for speedruns, it will be rendered over your game and you can upload your time and compete with other users.

OvermindCLI

Predict what will happen for any given change

OVITO Basic

OVITO is a scientific visualization and data analysis solution for atomistic and other particle-based models. It helps scientists gain meaningful and quick insights from numerical simulation results.

OVITO Pro

OVITO is a scientific visualization and data analysis solution for atomistic and other particle-based models. It helps scientists gain meaningful and quick insights from numerical simulation results.

Owlet

A lightweight desktop widget for monitoring glucose levels through Nightscout.

diabetesglucosecgmnightscouthealthmedical

OwlPlug

Audio plugin manager. Small tool to manage VST / AU plugins on Windows

audio-pluginaudio-unitjavajavafxjucelv2managervst

ownCloud

Desktop Syncing Client for ownCloud

owncloud

Ox editor

The simple but flexible text editor

crosstermeditoreditorsoxrustterminalterminal-basedtui

oxfmt

Oxfmt is a high-performance formatter for the JavaScript ecosystem.

formatterjavascripttypescript

Oxford Learners Bookshelf

Teach and learn English with interactive e-books from Oxford.

Oxford Optronix Device

The Oxford Optronix Device Enabler is a software addition to LabChart that allows a range of tissue monitors manufactured by Oxford Optronix Ltd. to stream data into LabChart.

Oxipng

Multithreaded PNG optimizer written in Rust.

diskspacefilesizeimage-compressionimage-optimizationimagecompressingimagecompressorimageoptimizationlosslessoptimiseroptimisingoptimizeroptimizingpng-compressionpng-optimizationrequirescmdrust

oxlint

oxlint is a blazing-fast JavaScript and TypeScript linter that is 50–100× faster than ESLint. It is designed to catch erroneous or useless code without requiring any configurations by default.

compilerjavascriptlinterminifierparsertranspilertypescript

Oxygen JSON Editor

The Perfect Tool to Simplify Your JSON Editing Experience

json

Oxygen PDF Chemistry

Convert HTML and XML to PDF Using CSS