Shotcut is a free and open-source video editor available for Windows, Linux, and macOS. It supports timeline editing, filters, transitions, audio tools, hardware encoding, and a wide range of video formats through FFmpeg.
A solid privacy-friendly alternative to editors like Premiere Pro, Filmora, and CapCut, with no subscriptions or watermark restrictions.
GitHub: https://github.com/mltframework/shotcut
More details: https://digitalescapetools.com/tools/tool.html?id=shotcut
More privacy-friendly tools: https://digitalescapetools.com/
Have a look at kdenlive as well. Each has their pros and cons