Open Source Web-based Video Editors Projects
Video editors that run in a web browser, with or without a backend. Includes cloud-based editors and fully client-side tools.
OpenPost
Open-source social media manager for writing, designing, scheduling, and tracking posts — an alternative to Buffer, Canva, and CapCut.
Alternative to: 
Buffer
Buffer
tscaps
Open-source, in-browser video editor focused on subtitles and short-form content. Transcribe with Whisper, style with CSS, export burned-in captions.
Alternative to: 
Submagic
Submagic