spacecake – a desktop app combining markdown editing with Claude Code integration

Summary: spacecake is an open-source desktop app for Claude Code featuring Notion-like WYSIWYG markdown editing and an integrated Ghostty terminal. It displays real-time context window and usage cost, alongside a tasks panel showing agent activity and upcoming tasks.

What it does

It provides markdown editing for specs and plans with a WYSIWYG interface and integrates a terminal for interacting with Claude agents. The status bar and tasks panel offer live updates on usage and agent progress.

Who it's for

Users who write markdown specs and prompts for Claude Code and need both a rich editor and terminal interface.

Why it matters

It solves the problem of poor markdown editing in terminals by combining a WYSIWYG editor with agent interaction tools in one app.