DRAFFT is a multiplatform collaborative design and development tool for easy and organized game development. It features a GDDs editor, Script editor, Dialogue Trees editor, a generic Database Editor and game ready exporter in plain JSON format.

Features
GDDs, Scripts, Dialogue Trees and Generic Database Editor and exporter.
One repository: All your data in one place, sorted, searchable, editable.
Your Game, your data: You own your data, it lives on your computer and it can be optionally synced to a remote database.
Multi user: Several users can work offline on the same database and sync changes in real time to a remote master database.
Nice UI: Because staring at a screen while building the next big hit should be a pleasant experience.
Engine Agnostic: Standard JSON export for any usage.

https://drafft.aboni.dev/