It is an open-source desktop app that adds a visual layer to Claude Code, including a markdown editor and task tracker.

Which platforms are supported?

spacecake is available for macOS (Apple Silicon and Intel), Debian (x86-64), and Linux (AppImage).

How does it track costs?

The status bar displays your current context window usage and estimated dollar cost in real time as you interact with Claude.

spacecake: Open-source desktop app combining markdown editing and terminal for Claude Code.

Name: spacecake
Rating: 5 (61 reviews)
Author: toolify

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Introduction:

Open-source desktop app combining markdown editing and terminal for Claude Code.

Added on:

Feb 25 2026

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spacecake Product Information

What is spacecake?

spacecake is an open-source desktop application designed to provide a superior interface for Claude Code. It combines a Notion-style markdown editor with an integrated Ghostty terminal, bridging the gap between running terminal agents and editing documentation. The app features a real-time status bar to monitor context window usage and costs, a live task panel to track agent progress, and a WYSIWYG editor for spec-driven development. It allows users to write specs, create Mermaid diagrams, and define custom project rules via JSON to maintain coding conventions.

How to use spacecake?

Download the application for your specific platform (macOS or Linux). Once installed, use the integrated Ghostty terminal to run Claude Code and the markdown editor to visually manage your specs and plans. Monitor the task panel to see what the agent is working on and check the status bar for real-time cost tracking.

spacecake's Core Features

Notion-style markdown editor

Integrated Ghostty terminal

Real-time context window and usage cost tracking

Live task monitoring panel

WYSIWYG editing with rich code blocks

Custom rule definitions via JSON

spacecake's Use Cases

Editing markdown documentation while running Claude Code agents

Monitoring AI agent tasks and progress visually

Explaining code architecture using integrated Mermaid diagrams

Tracking API costs and context limits in real-time during development

FAQ from spacecake

What is spacecake?
Which platforms are supported?
How does it track costs?

spacecake Support Email & Customer service contact & Refund contact etc.

Here is the spacecake support email for customer service: [email protected] .
spacecake Company

spacecake Company name: spacecake .
spacecake Github

spacecake Github Link: https://github.com/spacecake-labs/spacecake