awesome-free-apps/open-source-only.md

<p align="center">
    <img alt="Logo" src="./afa.png">
</p>

<p align="center"><a href="windows-only.md">Windows Only</a> — <a href="macOS-only.md">macOS Only</a> — <a href="linux-only.md">Linux Only</a> — <a href="open-source-only.md">Open-source Only</a> — <a href="recommended-only.md">Recommended Only</a></p>

| Icon | Meaning              | Icon | Meaning              |
|------|----------------------|------|----------------------|
| 🪟   | Available on Windows | 🟢   | Open-source          |
| 🍎   | Available on macOS   | ⭐   | Recommended by us    |
| 🐧   | Available on Linux   |      |                      |

> [!IMPORTANT]
> Maintaining this project requires a lot of time. [Donate to support me!](https://patreon.com/axorax) ❤️

## Contents

- [Audio](#audio)
    - [Audio Players](#audio-players)
    - [Audio Recording](#audio-recording)
    - [DJ Software](#dj-software)
    - [Music Notation](#music-notation)
    - [Music Production](#music-production)
- [Browsers](#browsers)
- [Communication](#communication)
    - [Messaging](#messaging)
    - [Email Clients](#email-clients)
- [Compression and Archiving](#compression-and-archiving)
- [Customize](#customize)
    - [System Customization](#system-customization)
    - [Wallpaper Tools](#wallpaper-tools)
- [Data Management](#data-management)
    - [Copy and Move](#copy-and-move)
    - [Sync and Clone](#sync-and-clone)
- [Developer Tools](#developer-tools)
    - [API Development](#api-development)
    - [Database](#database)
    - [Network Analysis](#network-analysis)
    - [Game Engines](#game-engines)
    - [Virtualization](#virtualization)
- [Documents](#documents)
    - [Office Suites](#office-suites)
    - [E-book](#e-book)
    - [PDF Tools](#pdf-tools)
- [Note taking](#note-taking)
- [Text Editors](#text-editors)
- [Download Managers](#download-managers)
- [Games](#games)
    - [Cloud Gaming](#cloud-gaming)
    - [Mobile Emulators](#mobile-emulators)
    - [Other Emulators](#other-emulators)
- [Graphics Tools](#graphics-tools)
- [3D Modeling and Animation](#3d-modeling-and-animation)
- [Security](#security)
    - [Antivirus](#antivirus)
    - [Password Managers](#password-managers)
- [Image Viewers](#image-viewers)
- [Remote Access](#remote-access)
- [Video](#video)
    - [Video Editors](#video-editors)
    - [Video Players](#video-players)
    - [Video Streaming and Recording](#video-streaming-and-recording)
    - [Video Converters and Compressors](#video-converters-and-compressors)
- [VPN and Proxy Tools](#vpn-and-proxy-tools)
- [Utility](#utility)
    - [Clipboard Management](#clipboard-management)
    - [Metadata](#metadata)
    - [Window Management](#window-management)
    - [File Management](#file-management)
    - [Screenshot](#screenshot)
    - [Space Visualizer](#space-visualizer)

## Audio


### Audio Players


### Audio Recording

- [Audacity](https://www.audacityteam.org/download/) - Audio editor for recording and editing sounds. 🪟 🍎 🐧 🟢 ⭐

### DJ Software


### Music Notation


### Music Production

- [LMMS](https://lmms.io/) - DAW for creating music with virtual instruments and MIDI support. 🪟 🍎 🐧 🟢 ⭐
- [Stargate DAW](https://github.com/stargatedaw/stargate) - Innovation-first DAW, instrument and effect plugins. 🪟 🍎 🐧 🟢

## Browsers

- [Chromium](https://www.chromium.org/Home) - Browser project behind Chrome. 🪟 🍎 🐧 🟢
- [ungoogled-chromium](https://github.com/ungoogled-software/ungoogled-chromium) - Privacy-focused Chromium with Google services removed. 🪟 🍎 🐧 🟢
- [Firefox](https://www.mozilla.org/en-US/firefox/) - Browser with privacy and customization. 🪟 🍎 🐧 🟢
- [Pale Moon](https://www.palemoon.org/) - Goanna-based browser. 🪟 🍎 🐧 🟢

## Communication

### Messaging


### Email Clients

- [ElectronMail](https://github.com/vladimiry/ElectronMail) - Electron-based desktop client for ProtonMail. 🪟 🍎 🐧 🟢
- [Mailspring](https://getmailspring.com/) - Beautiful, fast email client. 🪟 🍎 🐧 🟢
- [ThunderBird](https://www.thunderbird.net/) - Email client for easier management. 🪟 🍎 🐧 🟢

## Compression and Archiving

- [7-Zip](https://www.7-zip.org/) - Archive manager supporting 7z, ZIP, and other formats. 🪟 🍎 🐧 🟢 ⭐
- [PeaZip](https://peazip.github.io/) - Archive manager supporting 180+ formats with encryption and compression. 🪟 🐧 🟢
- [PDF Archiver](https://github.com/JulianKahnert/PDF-Archiver) - Tool for tagging and organizing PDFs on macOS. 🍎 🟢

## Customize

### System Customization

- [HideVolumeOSD](https://github.com/UnlimitedStack/HideVolumeOSD) - Hides the Windows volume bar. 🪟 🟢
- [ExplorerPatcher](https://github.com/valinet/ExplorerPatcher) - Restores and enhances the classic taskbar and system elements. 🪟 🟢
- [Hidden Bar](https://github.com/dwarvesf/hidden) - Simple app to organize and declutter your menu bar. 🍎 🟢
- [FluentFlyouts](https://github.com/ModernFlyouts-Community/ModernFlyouts) - Replaces default flyouts with customizable modern ones. 🪟 🟢

### Wallpaper Tools

- [Rainmeter](https://www.rainmeter.net/) - Desktop customization tool offering widgets, skins, and live stats. 🪟 🟢
- [Lively Wallpaper](https://www.rocksdanister.com/lively/) - Tool to set animated and interactive wallpapers. 🪟 🟢
- [WinDynamicDesktop](https://github.com/t1m0thyj/WinDynamicDesktop) - Port of macOS Mojave Dynamic Desktop feature to Windows. 🪟 🟢
- [ScreenPlay](https://github.com/kelteseth/ScreenPlay) - Wallpaper and widget engine. 🪟 🐧 🟢
- [Plash](https://sindresorhus.com/plash) - App to set websites as wallpapers. 🍎 🟢
- [Komorebi](https://github.com/cheesecakeufo/komorebi) - Animated wallpaper manager. 🐧 🟢
- [Variety](https://github.com/varietywalls/variety) - Wallpaper changer with features for downloading and managing wallpapers. 🐧 🟢

## Data Management

### Copy and Move


### Sync and Clone

- [FreeFileSync](https://freefilesync.org/) - Tool for comparing and syncing files or folders. 🪟 🍎 🐧 🟢
- [Syncthing](https://github.com/syncthing/syncthing) - Continuous file synchronization for multiple computers. 🪟 🍎 🐧 🟢

## Developer Tools

- [TkForge](https://github.com/Axorax/tkforge) - Drag & drop in Figma to create a Python GUI with ease. 🪟 🍎 🐧 🟢 ⭐
- [livewinsize](https://github.com/Axorax/livewinsize) - Visualize window size in pixels and other units. 🪟 🟢 ⭐

### API Development  

- [Insomnia](https://insomnia.rest/) - Simple API client for REST and GraphQL development. 🪟 🍎 🐧 🟢 ⭐
- [Bruno](https://github.com/usebruno/bruno) - Offline API client that is fast, Git-friendly, and open source. 🪟 🟢
- [SoapUI Open Source](https://www.soapui.org/open-source/) - For testing REST and SOAP APIs with scripting support. 🪟 🍎 🐧 🟢

### Database


### Network Analysis  

- [James](https://github.com/james-proxy/james) - Proxy for intercepting HTTP/HTTPS requests. 🪟 🍎 🟢

### Game Engines

- [Godot](https://godotengine.org/) - Game engine for 2D and 3D games with an easy-to-learn scripting language. 🪟 🍎 🐧 🟢 ⭐
- [Cocos2d](https://www.cocos.com/en/) - Game engine for mobile and web games, focused on 2D games. 🪟 🍎 🐧 🟢
- [Monogame](https://www.monogame.net/) - Framework for cross-platform game development with C#. 🪟 🍎 🐧 🟢
- [Tiled](https://www.mapeditor.org/) - Level editor for creating tile-based game maps, used with other engines. 🪟 🍎 🐧 🟢
- [OpenRA](https://www.openra.net/) - Game engine for real-time strategy games, supporting mods for classic titles. 🪟 🍎 🐧 🟢
- [Flixel](https://flixel.org/) - 2D engine built with Haxe, suitable for platformers and action games. 🪟 🍎 🐧 🟢

### Virtualization

- [Docker](https://www.docker.com/) - Containerization platform for operating-system-level virtualization. 🪟 🍎 🐧 🟢 ⭐
- [Lima](https://github.com/lima-vm/lima) - Tool for launching Linux VMs with file sharing and port forwarding. 🍎 🟢
- [QEMU](https://www.qemu.org/) - Emulator and virtualizer for hardware and system virtualization. 🪟 🍎 🐧 🟢
- [Vagrant](https://www.vagrantup.com) - Tool for managing reproducible development environments using virtual machines. 🪟 🍎 🐧 🟢
- [Rancher Desktop](https://rancherdesktop.io) - App for managing containers and Kubernetes on desktop. 🪟 🍎 🐧 🟢

## Documents


### Office Suites
- [LibreOffice](https://www.libreoffice.org/) - Popular and easy to use office suite. 🪟 🍎 🐧 🟢 ⭐
- [OnlyOffice](https://www.onlyoffice.com/) - Office suite with collaboration features. 🪟 🍎 🐧 🟢
- [Apache OpenOffice](https://www.openoffice.org/) - Suite for documents, spreadsheets, etc. 🪟 🍎 🐧 🟢

### E-book
- [iChm](https://github.com/NSGod/ichm) - CHM reader. 🍎 🟢
- [Readest](https://github.com/chrox/readest) - Cross-platform eBook reader with tools. 🪟 🍎 🐧 🟢
- [Scribus](https://www.scribus.net/) - Layout and publishing software. 🪟 🍎 🐧 🟢
- [Sigil](https://sigil-ebook.com/) - EPUB editor. 🪟 🍎 🐧 🟢
- [Naps2](https://www.naps2.com/) - Scan documents to PDF and more, as simply as possible. 🪟 🍎 🐧 🟢

### PDF Tools
- [MuPDF](https://mupdf.com/) - Powerful PDF viewer. 🪟 🐧 🟢
- [PDF Arranger](https://github.com/pdfarranger/pdfarranger) - PDF editor for splitting, merging. 🪟 🐧 🟢

## Note Taking


## Text Editors

- [Notepad++](https://notepad-plus-plus.org/) - Text editor with syntax highlighting and advanced editing features for developers. 🪟 🟢
- [Visual Studio Code](https://code.visualstudio.com/) - A powerful and extensible code editor developed by Microsoft, featuring debugging, version control, and support for numerous languages. 🪟 🍎 🐧 🟢
- [Atom](https://atom.io/) - Hackable text editor with features like Git integration and an extensive plugin ecosystem. 🪟 🍎 🐧 🟢
- [Vim](https://www.vim.org/) - Highly configurable, command-line-based text editor that is especially favored by developers for its efficiency. 🪟 🍎 🐧 🟢
- [Emacs](https://www.gnu.org/software/emacs/) - A powerful, extensible text editor with a broad range of features and customization options. 🪟 🍎 🐧 🟢
- [Brackets](http://brackets.io/) - Text editor focused on web development, with live preview and preprocessor support. 🪟 🍎 🐧 🟢
- [Fastedit](https://github.com/FrozenAssassine/Fastedit) - Code editor that looks like notepad and has frost background. 🪟 🟢
- [CodeEdit](https://www.codeedit.app/) - Lightweight native code editor for macOS. 🍎 🟢
- [Haystack Editor](https://github.com/haystackeditor/haystack-editor) - Code editor with a canvas UI for better code understanding. 🪟 🍎 🐧 🟢
- [Neovim](https://github.com/neovim/neovim) - A modern, extensible terminal-based code editor. 🪟 🍎 🐧 🟢

### Download Managers
- [JDownloader](https://jdownloader.org/) - Popular download manager. 🪟 🍎 🐧 🟢

### Games
- [Heroic Games Launcher](https://heroicgameslauncher.com/) - Launcher for Epic, GOG. 🪟 🐧 🟢
- [ProtonUp-Qt](https://github.com/DavidoTek/ProtonUp-Qt) - Tool for managing Proton/Wine compatibility. 🐧 🟢

### Cloud Gaming  


### Mobile Emulators  


### Other Emulators

- [DuckStation](https://github.com/stenzek/duckstation) - PlayStation 1 emulator with focus on speed, accuracy, and modern enhancements. 🪟 🍎 🐧 🟢
- [PCSX-Redux](https://github.com/grumpycoders/pcsx-redux) - PlayStation 1 emulator aimed at advanced debugging and better game compatibility. 🪟 🐧 🟢

## Graphics Tools

- [GIMP](https://www.gimp.org/) - Versatile image editor for tasks like photo manipulation and graphic design. 🪟 🍎 🐧 🟢
- [Inkscape](https://inkscape.org/en/) - Vector graphics editor used for creating logos, illustrations, and more. 🪟 🍎 🐧 🟢
- [Krita](https://krita.org/) - Digital painting software designed for illustrators and concept artists. 🪟 🍎 🐧 🟢
- [Colorpicker](https://colorpicker.fr/) - Color manipulation tool for picking and modifying colors. 🪟 🍎 🐧 🟢
- [Draw.io](https://github.com/jgraph/drawio-desktop) - Desktop app for creating diagrams and flowcharts. 🪟 🍎 🐧 🟢
- [FontForge](http://fontforge.github.io/) - Font editor for creating and modifying font files. 🪟 🍎 🐧 🟢

## 3D Modeling and Animation

- [Blender](https://www.blender.org/) - 3D creation tool supporting modeling, animation, rendering, video editing, and more. 🪟 🍎 🐧 🟢 ⭐
- [Wings 3D](http://www.wings3d.com/) - 3D modeling software focusing on subdivision modeling. 🪟 🍎 🐧 🟢
- [MakeHuman](https://static.makehumancommunity.org/makehuman.html) - 3D human modeler for creating realistic character models. 🪟 🍎 🐧 🟢

## Security

### Antivirus

- [ClamAV](https://www.clamav.net/) - Antivirus engine for detecting malware, viruses, and other threats. 🪟 🍎 🐧 🟢

### Password Managers

- [KeePass](https://keepass.info/) - Lightweight password manager for secure storage of passwords in encrypted databases. 🪟 🍎 🐧 🟢
- [Passbolt](https://www.passbolt.com/) - Team-oriented password manager for sharing and storing passwords securely. 🪟 🍎 🐧 🟢

## Image Viewers

- [FlowVision](https://github.com/netdcy/FlowVision) - Waterfall-style image viewer. 🍎 🟢
- [ImageGlass](https://imageglass.org/) - Lightweight, versatile image viewer. 🪟 🟢

## Remote Access

- [Moonlight](https://github.com/moonlight-stream/moonlight-qt) - GameStream client for Windows, Mac, Linux, and Steam Link. 🪟 🍎 🐧 🟢
- [RustDesk](https://rustdesk.com/) - Remote desktop software with a focus on simplicity and security. 🪟 🍎 🐧 🟢
- [Sunshine](https://github.com/LizardByte/Sunshine) - Self-hosted game streaming server for use with Moonlight. 🪟 🍎 🐧 🟢

## Video


### Video Editors  

- [Shotcut](https://shotcut.org/) - Video editor with a wide range of features. 🪟 🍎 🐧 🟢
- [OpenShot](https://www.openshot.org/) - Easy-to-use video editor with support for multiple video tracks. 🪟 🍎 🐧 🟢
- [Kdenlive](https://kdenlive.org/en/) - Video editor with multi-track editing and a powerful interface. 🪟 🍎 🐧 🟢
- [Olive Video Editor](https://www.olivevideoeditor.org/) - Non-linear video editor with powerful features and an intuitive interface. 🪟 🍎 🐧 🟢

### Video Players  

- [VLC Media Player](https://www.videolan.org/vlc/) - Media player supporting almost all video formats. 🪟 🍎 🐧 🟢
- [Kodi](https://kodi.tv/) - Media center that allows you to play and view most videos, music, podcasts, and other digital media files. 🪟 🍎 🐧 🟢
- [MPV](https://mpv.io/) - Cross-platform media player with a simple interface. 🪟 🍎 🐧 🟢
- [MPC-HC](https://github.com/clsid2/mpc-hc) - Lightweight video player with support for all common formats. 🪟 🟢
- [IINA](https://iina.io/) - Media player for macOS. Performs better than VLC. 🍎 🟢

### Video Streaming and Recording  

- [OBS Studio](https://obsproject.com/) - Software for live streaming and video recording. 🪟 🍎 🐧 🟢 ⭐
- [Streamlabs Desktop](https://streamlabs.com/) - Streaming software with a customizable interface for live broadcasts. 🪟 🍎 🟢
- [Jitsi Meet](https://jitsi.org/jitsi-meet/) - Video conferencing and streaming solution. 🪟 🍎 🐧 🟢
- [Nginx RTMP](https://github.com/arut/nginx-rtmp-module) - Media streaming server using NGINX. 🐧 🟢
- [Livestreamer](https://github.com/chrippa/livestreamer) - Command-line utility to stream video from various platforms. 🪟 🍎 🐧 🟢
- [Kaltura](https://kaltura.com/) - Video streaming platform for creating and managing content. 🪟 🍎 🐧 🟢


### Video Converters and Compressors  

- [FFmpeg](https://ffmpeg.org/) - Command-line tool for video and audio processing with wide format support. 🪟 🍎 🐧 🟢 ⭐
- [HandBrake](https://handbrake.fr/) - Video transcoder for converting video formats. 🪟 🍎 🐧 🟢
- [VidCoder](https://vidcoder.net/) - Video transcoder based on HandBrake, with a user-friendly interface. 🪟 🍎 🟢
- [FastFlix](https://github.com/cdgriffith/FastFlix) - GUI for H.264, HEVC and AV1 hardware and software encoding. 🪟 🟢

## VPN and Proxy Tools

- [Tunnelblick](https://github.com/Tunnelblick/Tunnelblick) - OpenVPN client for macOS with a user-friendly interface. 🍎 🟢
- [Algo](https://github.com/trailofbits/algo) - Personal IPSEC VPN setup for secure cloud usage. 🪟 🍎 🐧 🟢
- [SpechtLite](https://github.com/zhuhaow/SpechtLite) - Simplified rule-based proxy tool for macOS. 🍎 🟢
- [Specht](https://github.com/zhuhaow/Specht) - Rule-based proxy app for macOS using Network Extension. 🍎 🟢
- [ShadowsocksX-NG](https://github.com/shadowsocks/ShadowsocksX-NG) - Modern Shadowsocks client with enhanced features for macOS. 🍎 🟢
- [rvc-mac](https://github.com/riboseinc/cryptode-mac) - Ribose VPN Client for macOS, providing secure VPN connections. 🍎 🟢
- [OpenVPN](https://openvpn.net/community-downloads/) - VPN solution for secure internet connections. 🪟 🟢
- [SoftEther VPN](https://www.softether.org/) - VPN software with multiple protocol support. 🪟 🟢

## Utility

- [yt-dlp](https://github.com/yt-dlp/yt-dlp) - Feature-rich command-line audio/video downloader. 🪟 🍎 🐧 🟢
- [Keylock](https://github.com/Axorax/keylock) - Lock your keyboard. 🪟 🟢
- [Winpower](https://github.com/Axorax/winpower) - Improved power settings for Windows. 🪟 🟢

### Clipboard Management

- [Clipy](https://clipy-app.com/) - Lightweight clipboard manager. 🍎 🟢
- [CopyQ](https://hluk.github.io/CopyQ/) - Advanced clipboard manager with editing and scripting capabilities. 🪟 🍎 🐧 🟢
- [Maccy](https://maccy.app/) - Simple and lightweight clipboard manager. 🍎 🟢
- [Diodon](https://github.com/diodon-dev/diodon) - Simple and lightweight clipboard manager for Linux. 🐧 🟢
- [Qopy](https://github.com/0pandadev/qopy) - The fixed clipboard manager with a clean and minimalistic UI as well as very unique features. 🪟 🍎 🐧 🟢

### Metadata


### Window Management

- [AltSnap](https://github.com/RamonUnch/AltSnap) - Lightweight window management tool for snapping windows to predefined positions using keyboard shortcuts. 🪟 🟢
- [FancyZones](https://github.com/microsoft/PowerToys) - Feature of PowerToys that helps with window snapping and arranging for multi-monitor setups in Windows. 🪟 🟢
- [Sway](https://github.com/swaywm/sway) - Tiling Wayland compositor for Linux, similar to i3, designed for use with Wayland. 🐧 🟢
- [OnTopReplica](https://github.com/LorenzCK/OnTopReplica) - A simple app to display a portion of your screen on top of other windows. 🪟 🟢
- [GlazeWM](https://github.com/glzr-io/glazewm) - Tiling window manager inspired by i3wm. 🪟 🟢

### File Management

- [Files](https://github.com/files-community/Files) - Modern file manager that helps users organize their files and folders. 🪟 🟢
- [WinSCP](https://winscp.net/) - SFTP, FTP, WebDAV, and SCP client with a user-friendly interface. 🪟 🟢

### Screenshot

- [Greenshot](https://getgreenshot.org/) - Screenshot tool for Windows that allows capturing, annotating, and editing screenshots. 🪟 🟢
- [ShareX](https://getsharex.com/) - Powerful screenshot and screen recording tool with advanced editing options. 🪟 🟢 ⭐
- [Capter](https://github.com/decipher3114/Capter) - Super simple screenshot tool. 🪟 🍎 🟢

### Space Visualizer