ReTheme is a secure, updatable, community-driven theming engine for the ChatGPT desktop app, built with Tauri 2 and Rust on macOS and Windows.

Stars

125

7-day growth

+21

Forks

8

Open issues

3

License

BSD-3-Clause

Last updated

2026-07-24

AI repository intelligence
FR-AI / ANALYSIS

Why it is worth attention

It decouples theme definition from ChatGPT version adaptation, allowing themes to survive ChatGPT updates without republishing, and uses signed community downloads for safe installation.

Who it is for

  • ChatGPT desktop users who want personalized UI themes
  • Theme developers seeking a stable, version-independent theming system
  • Developers interested in Tauri 2 + Rust desktop app patterns
  • Community maintainers curating a theme ecosystem

Use cases

  • Applying custom color schemes, wallpapers, and icons to ChatGPT's interface
  • Developing and testing themes locally with live reload
  • Distributing signed themes via retheme:// deep links to the community
  • Safely restoring the original ChatGPT UI when disabling or uninstalling a theme

Strengths

  • Decoupled architecture: themes declare only visual tokens, while compatibility data updates separately for each ChatGPT version.
  • Security via platform signature verification for downloaded themes.
  • Full UI coverage: home, sidebar, chat, input, settings, cards, banners, and more.
  • Developer-friendly: no Rust/Cargo needed for theme creation; CLI & AI Skill available.

Considerations

  • Only supports the ChatGPT desktop app on macOS and Windows (no Linux or mobile).
  • Requires Node.js 22, pnpm 10, Rust stable, and Tauri system deps for local development.
  • Theme availability depends on the community; the repository does not bundle any themes.

README quick start

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Description

🎨 为 ChatGPT、Codex 桌面端打造的安全、可更新、社区驱动主题换肤软件。Open-source desktop theme manager and runtime for ChatGPT

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