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Design & ValidateToolOpen sourceFreemium
Story Architect
An open desktop story-development app combining Fountain scripts, scene cards, characters, locations, timelines, and research with free and paid tiers.
Visit official siteContent updated Aug 1, 2026Automated check received an unexpected response · Checked Aug 24, 2026
Why use it
Narrative designers can connect plot structure and worldbuilding in one project before handing approved text to runtime tools.
Where it fits
Use prototypes and playtests to find core experience problems while they are still cheap to fix.
narrative-designworldbuilding
What to check
The desktop source is GPLv3, while collaboration, advanced export, cloud, or AI services may use separate plans; it is still not a game runtime branching system.