TinyMCE person here. We are actually working at integrating Slate into TinyMCE, so you'll end up with the best of both worlds! See https://www.tiny.cloud/blog/r

TinyMCE person here. We are actually working at integrating Slate into TinyMCE, so you'll end up with the best of both worlds! See https://www.tiny.cloud/blog/real-time-collaborative-editing-slate-js/ https://www.tiny.cloud/blog/real-time-collaborative-editing-... Also - definitely use HTML as storage. More portable between editors.