Astronomo is a modern terminal browser for the Gemini protocol built with the Textual Python TUI framework.
It’s designed to make browsing Geminispace feel polished and practical from the command line, with a responsive interface, rich rendering for Gemtext content, and support for related protocols and tools that go beyond simple capsule viewing. The application also includes integrated mail and feed functionality, certificate handling, theming, and configuration options aimed at users who want a capable text-based internet client.
This is free and open source software.
Key Features
- Renders Gemtext with styled headings, links, blockquotes, lists, and preformatted blocks.
- Supports keyboard and mouse navigation, along with history navigation, tabs, and cached pages.
- Offers syntax highlighting for code blocks using Pygments.
- Includes a bookmark system with folder organisation and persistent TOML-based storage.
- Provides client certificate management and TOFU certificate verification for Gemini sites.
- Supports multiple protocols including Gemini, Gopher, and Finger.
- Includes GMAP mail support for Misfin mailboxes.
- Includes an RSS and Atom feed reader with read and unread tracking plus OPML import and export.
- Offers 10 built-in themes and XDG-compliant configuration.
- Can display inline images in the terminal as ANSI art with an optional dependency.
Website: github.com/alanbato/astronomo
Support:
Developer: Alan Velasco
License: MIT License
Astronomo is written in Python. Learn Python with our recommended free books and free tutorials.
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