Real-time collab plus history that names moments.
WriterDuet is excellent at live co-writing. Inkwell matches that collab and adds draft lines, immutable save points, and semantic diffs underneath — so the room can branch alternate takes without losing the table-read version.
Stay on WriterDuet if live co-writing is the only requirement and you rarely branch parallel versions.
Switch when collaboration needs version control semantics — named reads, incorporate between draft lines, semantic diffs.
Yes — presence, comments, and shared projects. Collaboration guide covers invites and reads.
Use Fountain or FDX exports from WriterDuet and import via Plot's Import / Export menu.