Open Source Qt Software & Tools

Discover the best open source software and alternatives built with Qt. Explore top tools, compare features, and find the right solution.

Cross-platform open-source video editor built on the MLT framework with a wide format support and no import required.

OpenShot is a free, open-source video editor for Linux, macOS, and Windows with unlimited tracks, keyframe animation, and 3D titles.

Tag and organize photos and files in place, with a tag library stored next to your folders instead of a proprietary catalog.

Free, open-source desktop video editor for Linux, Windows, and macOS built with Qt 6 and FFmpeg.

Free and open source multi-track video editor built on MLT Framework and KDE technologies.

Free open-source non-linear video editor with hardware-accelerated compositing and cross-platform support.

Lightweight open source BitTorrent client with native desktop apps, a headless daemon and a built-in web UI.

Open-source Bloomberg-style finance terminal built in C++20/Qt6 with embedded Python, AI agents, and 100+ data connectors.

Qt-based Linux and Windows screencast creator with multi-source audio, webcam overlay, Wayland support and click effects.