Beta

Build Worlds with Merrimo

A native desktop app for world building, with optional AI writing and drawing assistance. Collaborate in realtime, generate images in any style locally for free, or online with your own OpenRouter keys.

Download for Mac iPhone & iPad beta · coming soon

Free during the beta. macOS 15 or later on Apple silicon · Intel Mac

A chapter of The Bellringer of Bramblewick open in Prose

The same story drawn as comic pages on the Canvas

The story's World page, with its key art, premise and look

A character's page, with his portrait and wardrobe

Merrimo is in beta, so expect rough edges. Tell us about them from Help › Send Feedback in the app, or write to support@merrimo.com.