Open Source Apps

Created by Nelson de Benito

353 apps ( Last updated: 5 hours ago )

Having public code isn't just a philosophy: it means anyone can audit, fix, and improve it. That is why some of the most reliable and long-lasting apps out there are open source. On Windows, you'll find alternatives like this for almost any task (video editing, office work, security, development) and many of them, like VLC or GIMP, have spent decades competing head-to-head with paid software. No subscriptions. No licenses. Backed by communities that never stop updating them.

1. FormatFactory

Powered by FFmpeg and other open-source engines, this converter handles video, audio, images, and documents with batch processing, disc ripping, PDF tools, and video downloads...

4.5

23.5 M downloads

2. VLC Media Player

Plays almost any video or audio format without extra codecs, with a clean interface. Free, open-source, cross-platform, and it even handles DVDs and damaged files...

4.4

41.9 M downloads

3. Lively Wallpaper

Animated, interactive wallpapers that pause while you game, with flawless multi‑monitor and ultrawide support. Open‑source, low‑impact customization plus a community library and easy 4K tweaks...

4.5

1.4 M downloads

4. OP Auto Clicker

Tiny, portable, open-source auto clicker. Set precise intervals, choose left/right or double clicks, pick the cursor spot, and loop clicks until you stop—great for games...

4.5

27 M downloads

5. Psiphon

Open‑source VPN that auto‑connects on launch, beats blocks, and lets you pick from 20+ regions. Portable, split tunneling, and optional speed boosts for power users...

4.2

11.6 M downloads

6. Dev-C++

Powered by MinGW/GCC, this free, open-source C/C++ IDE lets you edit, compile, run, and debug, with templates, plugins, and cross-platform builds...

4.4

772.3 k downloads

7. Media Player Classic - Home Cinema (MPC-HC)

Plays almost any format out of the box with built‑in codecs and 4K/8K support. Ultra‑light, open‑source player with subtitles, hotkeys, zoom, and no data collection...

4.6

7.7 M downloads

8. Mozilla Firefox

The only major browser not built on Chromium, it’s open-source, fast, and privacy-first with tracker blocking, private windows, powerful extensions, and seamless multi-device sync...

4.2

29.9 M downloads

9. FxSound

System-wide audio enhancement for Windows with a nine-band EQ and smart presets. Boost clarity, bass, and dynamics for music, games, movies, or voices—toggle on/off instantly...

4.9

143.6 k downloads

10. VirtualBox

Run multiple operating systems on a Windows PC with a cross‑platform hypervisor. Spin up custom ISOs, add USB 3.0/RDP/encryption, and emulate SATA, NVMe, and more...

3.7

3.4 M downloads