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livebook-dev/livebook

Livebook is a collaborative, interactive computing environment for notebooks that supports Elixir, Python, and Erlang. It provides a rich, real-time editing experience with code completion, syntax highlighting, and live data visualization. The system manages notebook execution across various runtime environments, including local, Kubernetes, and Fly.io, while supporting persistent app deployment and secure secret management. It also features a desktop application and CLI tools for managing and deploying notebooks.

54.8

Adequate · 29 July 2026

68k

lines of production code

Elixir

with JavaScript

2

bus factor · 183 authors in all

4

measurements over time

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How it got here

2021 · Livebook rebranding and architecture modernization

The project underwent a comprehensive modernization, featuring a rebrand from LiveBook to Livebook and a migration of the asset pipeline from Webpack to Vite. The codebase was refactored to replace legacy Phoenix MVC components with a LiveView-based architecture, introducing modular runtime backends, a pluggable file system abstraction, and new app deployment features.

50 changes

2022–2023 · Teams infrastructure and desktop app

This period focused on building the foundational infrastructure for Livebook Teams, including structured data models, Protobuf-based WebSocket communication, and hub management for organizations. Concurrently, the codebase expanded to support a standalone desktop application via Tauri and introduced new interactive notebook features like Mermaid rendering and media inputs.

41 changes

2024–2026 · Livebook feature expansion

This period focused on significantly expanding Livebook's capabilities with a new CodeMirror-based live editor featuring real-time collaboration and syntax highlighting. The release also introduced advanced intellisense for Python and Elixir, Kubernetes runtime support, and a Git-based file system, while establishing a robust foundation for app deployment and Teams integration.

20 changes

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About this page

  • The description of this project is derived from its own commit history, not from its README.
  • The score is its highest published measurement, taken on 29 July 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit a8b1fb44a5 — the exact code this score is about.
  • Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.
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