sTart your story

Collaborate. Structure.
Sync. Write.

Figma's collab, Scrivener's structure, Notion's sync. Built for writers, by writers — just sTart.

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Built for Performance.

Focus on your story, let us handle the complexity.

Real-time Sync

Seamless multi-user collaboration with zero conflicts using Yjs CRDT technology.

AI Co-Pilot

Claude-powered intelligence that understands your plot, characters, and stylistic nuances.

Focus Arsenal

Typewriter mode, Pomodoro, and 'No Backspace' mode to keep your creative momentum.

Crystal Export

One-click professional EPUB and PDF generation with stunning, customizable templates.

Truly Universal

A robust PWA that works perfectly on iPad, Mobile, and Desktop. Offline included.

Word Security

Continuous snapshots and secure cloud storage. Your manuscript is always safe.

Enhance,
Don't Replace.

Tart's AI doesn't just write for you—it thinks with you. By contextually understanding your worldbuilding and character sheets, it provides suggestions that actually make sense.

Plot Hole Analysis
Dialogue Polishing
Stylistic Consistency
Brainstorming Partner
Claude 3.5 Sonnet
Ready to assist
"The tension between Arthur and Merlin needs to peak here. How can Merlin subtly hint at his knowledge of the trap without breaking cover?"
"Merlin could focus on the temperature of the room—mentioning a 'sudden draft from the north tower' where the archers are hidden. It's a classic Merlin move: warning through metaphor."

Ready to write
your next legacy?

Join the growing community of authors who have found their home at Tart.

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