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Open Source

Explore the top Open Source Software for Windows and discover the freedom of customizable, free-to-use tools for your PC. Whether you're looking for software to edit documents, manage files, or even enhance your creativity with design programs, these apps have you covered. Open source software lets you take control with transparent development and often a helpful community to back it up. From powerful multimedia players to secure browsers and versatile productivity tools, there’s something for every kind of user. Imagine finding an app that does exactly what you need—without hidden costs or restrictions. Download the best Open Source Apps now from Uptodown and experience the power of free software!
Media Player Classic Black Edition (MPC-BE) icon
A comprehensive and simple video player for Windows
Upscayl icon
Improve your images with AI
Bloatynosy Nue icon
Manage the preinstalled bloatware on your Windows
Signal icon
The Windows version of the private messaging client
K-Meleon icon
Navigate faster than you can imagine thanks to K-meleon
Zotero icon
Your own personal research assistant
Godot Engine icon
Comprehensive open-source suite for game development
PyScripter icon
Complete Python IDE
Replay icon
Transform your music with AI
Falkon icon
A powerful and lightweight browser based on QtWebEngine
MKVToolnix icon
Convert and edit MKV videos
Nmap icon
Audit your network's security and explore its contents
WinPcap icon
A must-have library package for monitoring networks
FastCopy icon
Copy files and folders in an advanced way
Windows Package Manager (WinGet) icon
Install programs by commands with this package manager
PEiD icon
Analyze and detect signatures in PE files easily
Anaconda icon
All the features you need to work on data science projects
TestDisk icon
Check and repair errors on your PC
PeaZip icon
File compressor with encryption functions
GDevelop icon
Create video games in HTML5 without knowing how to program
Synfig Studio icon
Professional looking 2D animations
OpenBoard icon
A virtual whiteboard to liven up your classes
LibreWolf icon
A powerful browser with a focus on privacy and security
Rectify11 icon
A more consistent experience on Windows 11
Windows 7 Logon Background Changer icon
Change Windows 7 logon background
Free Pascal icon
Open source compiler for Pascal
Zero Install icon
Run software without installing it on the PC
Deluge icon
Powerful, lightweight, cross-platform BitTorrent client
Pale Moon icon
A full browser based on Firefox
Cairo Desktop Environment icon
Customize your PC desktop with this theme
LibreCAD icon
Free CAD editor for 2D designs
Transparent Twitch Chat Overlay icon
Improve the comments system for your Twitch streams
Universal Watermark Disabler icon
Disable Windows watermarks
Zen Browser icon
Privacy-focused Firefox-based web browser
BetterJoy icon
Use your Switch controllers in Cemu, Citra, Dolphin and Yuzu
MPlayer icon
Great open source Multimedia Player
x64dbg icon
A 32-bit and 64-bit debugger for Windows
Thonny icon
Learn Python the easy way
vJoy icon
Use your keyboard as a gamepad
Stirling PDF icon
Manage and edit your PDFs with all these tools
GeoGebra icon
A tool to study algebra, geometry and calculus
TinyWall icon
Put a barrier between you and malicious online files
HakuNeko icon
Download as much manga and anime as you want
NAPS2 icon
Software to use any scanner in Windows
SRWare Iron icon
The first Google Chrome clone
Strawberry Music Player icon
Organize and play music on your PC
OpenRGB icon
Easily customize your PC lighting
OpenOffice icon
Excellent free alternative to the Microsoft suite
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