Revise is that, actually. It's a free, lightweight, fast word processor at its core. It also has real-time collaboration, also free. You don't need to use the AI features.
It even supports code blocks, LaTeX, and Mermaid diagrams.
Also, the passive spelling/grammar checking in the editor is powered by LLMs and completely free. It will catch mistakes that other word processors won't, such as malapropisms.
Ty; will check it out. That wasn't one of the one I looked at.
Edit: Ah I see, from the OP. Unfortunately, I think Subscription-based, web-app, and vibe-coded would individually be deal breakers. Combined indicates it's not the sort of tool I seek.
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