Notion
A general collaboration SaaS combining pages, relational databases, boards, calendars, forms, templates, and automation in customizable workspaces.
Why use it
Use Notion to quickly assemble GDDs, roadmaps, meeting notes, asset catalogs, and release checklists while giving disciplines different views of shared data.
Where it fits
Use prototypes and playtests to find core experience problems while they are still cheap to fix.
What to check
It is closed and cloud-dependent with limited offline behavior and large-database performance; assess permissions, export, AI data handling, and integration costs before storing sensitive project material.