# Self-hosted alternatives to Observable

> 1 self-hostable, open-source alternative to Observable, ranked by score.

- [Srcbook](https://selfhost.directory/project/srcbook)

## Also in Developer Tools

Not listed as Observable alternatives, but from the same category:

- [MulmoTerminal](https://selfhost.directory/project/mulmoterminal): Self-hosted browser terminal running multiple AI coding agents in a grid, color-coded by state. Uses tmux for persistence and git worktrees for isolation.
- [Grok UI](https://selfhost.directory/project/grok-ui): Grok UI is a self-hosted, local-first command center for Grok Build with live runtime monitoring, ACP session control, Git tracking, and fleet monitoring.
- [Hoppscotch](https://selfhost.directory/project/hoppscotch): Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
- [IT Tools](https://selfhost.directory/project/it-tools): Self-hosted, open-source collection of web tools for developers: hashing and encryption, format converters, QR codes, subnet math, cron and regex helpers.
- [marimo](https://selfhost.directory/project/marimo): marimo is an open-source, self-hosted reactive Python notebook replacing Jupyter and Streamlit. Stores notebooks as pure Python files with SQL, interactive UI, AI.
- [OmniTools](https://selfhost.directory/project/omnitools): A self-hosted, open-source browser toolbox of image, PDF, video, audio, text, list and data tools where every file is processed on your own device.

All 892 Developer Tools projects: https://selfhost.directory/developer-tools

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Source: https://selfhost.directory/alternative-to/observable