Shotcut
A free, open-source video editor supporting hundreds of formats with native timeline editing, 4K resolution, and Blackmagic Design hardware integration.
Shotcut is an open-source alternative to:

Shotcut is a free, open-source, cross-platform video editor designed for Windows, Mac, and Linux. It offers native timeline editing without import requirements, supports hundreds of audio and video formats via FFmpeg, and provides advanced features like 4K resolution editing and Blackmagic Design SDI/HDMI input/output.
Key Features
- Wide Format Support: Supports hundreds of formats and codecs through FFmpeg with native editing capabilities.
- Device & Transport Options: Blackmagic Design SDI/HDMI input/output, screen/webcam/audio capture, and network stream playback up to 4K.
- Intuitive Interface: Features dockable panels, drag-and-drop asset management, and detailed media properties.
- Cross-Platform: Available on Windows, macOS, and Linux.
- Regular Updates: New versions released every two months with frequent feature additions.
- Quickstart Tools: Keyboard shortcuts for efficient editing (J/K/L for playback, I/O for in/out points, frame-by-frame stepping).
Tech / Self-Hosting
Shotcut is a desktop application that can be self-hosted by downloading the binary or source code from its GitHub repository. It does not require a server or cloud infrastructure to function, making it fully self-hostable on local machines.