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River Writer
A quiet Mac app for screenplays, stage plays and novels
18 followers
A quiet Mac app for screenplays, stage plays and novels
18 followers
River Writer is a free Mac app for screenplays, stage plays and novels. You write plain text (.fountain ormd) and a live preview shows the formatted, print-ready pages beside it: Screenplay, Multi-cam, Stage Play or Manuscript. Git versioning is built in, so you can commit drafts, restore files and try an alternate ending on a branch. Outline, scratchpad and todos live as plain files in your project. No accounts, cloud, telemetry or AI; it makes no network connections. Open source (MIT).
Products used by River Writer
Explore the tech stack and tools that power River Writer. See what products River Writer uses for development, design, marketing, analytics, and more.

ChatGPT by OpenAIGet answers. Find inspiration. Be more productive.
4.9 (757 reviews)
ChatGPT was my go-to for quick second opinions while building River: sanity-checking ideas, brainstorming features and naming, and getting fast answers when I was stuck plus all media generations

Claude by AnthropicA family of foundational AI models
5.0 (1.1K reviews)
Claude was my main thinking partner while building River. It helped me work through the Tauri/Rust architecture, the screenplay typesetting rules and the Git integration, and it was great at keeping a long design doc and decision log consistent.