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Open Source Apps

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!
PeaZip icon
File compressor with encryption functions
Open Hardware Monitor icon
Monitor your PC temperature, speed and voltage
Opentrack icon
Use the movement of your head to control the PC
Prism Launcher icon
Manage different Minecraft accounts and mods
Rectify11 icon
A more consistent experience on Windows 11
LibreCAD icon
Free CAD editor for 2D designs
Mesa 3D icon
Advanced OpenGL graphics
Nmap icon
Audit your network's security and explore its contents
Transmission icon
A fast and compact torrent client
Jellyfin icon
A cross-platform and open source media center
ReactOS icon
Powerful and complete alternative to Windows
FCEUX icon
One of the most comprehensive NES emulators you can find
TightVNC icon
Remotely control a computer via web browser
NVDA icon
An accessibility program to improve your quality of life
FocusWriter icon
Write texts and avoid getting distracted
TGMacro icon
Automate repetitive tasks
Transparent Twitch Chat Overlay icon
Improve the comments system for your Twitch streams
TortoiseSVN icon
Control the versions of your files
TextEdit icon
Open source text editor and word processor with multilingual support
FreePiano icon
Turn your keyboard into a piano
Sigil icon
Edit ebooks quickly and easily
Clonezilla icon
Create backup copies of your hard disks, just in case
Barrier icon
Share keyboard and mouse between different computers
Buzz Captions icon
Transcribe audio to text using AI
Ollama icon
Run any LLM locally
BetterJoy icon
Use your Switch controllers in Cemu, Citra, Dolphin and Yuzu
Deluge icon
Powerful, lightweight, cross-platform BitTorrent client
GnuCash icon
Personal and small business accounting
Angry IP Scanner icon
Detect the computers on a network and scan their ports
ClamAV icon
A very good choice if you search a free antivirus
Bitwarden icon
Manage your passwords with this open source tool
NAPS2 icon
Software to use any scanner in Windows
Steam ROM Manager icon
Add games in bulk to Steam
VeraCrypt icon
More security for your files
WingetUI icon
Managing command line packages has never been easier
FreeCAD icon
Powerful 3D design tool
Karaoke Mugen icon
Enjoy the best karaoke on your PC
AFFiNE icon
A convenient way to create your own knowledge base
Kronos icon
Powerful and modern Sega Saturn emulator
PEiD icon
Analyze and detect signatures in PE files easily
Ambie White Noise icon
Sounds to boost your concentration in front of the PC
Fort Firewall icon
An alternative to the Windows Firewall
Noi icon
Noi
Access AI tools through this browser
Dia icon
Dia
Application for drawing diagrams and outlines
Tribler icon
Find and share videos, music, games and more
OpenAudible icon
An open source client for Audible
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