Quillium, the non-linear writing app
Sentence-level Git branches for writers when Scrivener only does chapter cards.

Git-style branching for sentences, but the beta warns of data loss.
Novelists, Essayists, Content Writers
Notion · Google Docs · Draft
I've found myself wanting this every single time I go through the drafting process when writing, and I've been frustrated every time I find myself accidentally working on an old draft just because there was a paragraph that I liked better. This solves it.
I hope the community like this as much I enjoyed working on it! Note that it's currently a beta waitlist because there's some bugs with the undo/redo state management and so I want to dogfood it for a bit for reliability.
It says April 2nd, but I may allow earlier beta testers.
Sentence-level Git branches for writers when Scrivener only does chapter cards.
Git-style branching for LLM context beats linear chat logs when switching models.
Git-style version control for vectors when Chroma and Qdrant can't time-travel.
Git-style branching for docs that agents can actually read via MCP.
Git for agent memory beats Letta's file-level versioning with zero-copy branching.
Inline branching for prose versions beats Scrivener's snapshot workflow.