Livebook Nightly
A nightly build of Livebook for creating interactive notebooks with Elixir code, Markdown, and rich outputs.
Livebook Nightly is a Developer Tools app for Mac.
About
Livebook Nightly is the nightly variant of Livebook, an interactive notebook application for working with Elixir code. Notebooks combine Markdown and code cells, so you can explain an analysis alongside executable code. Later cells can use bindings from earlier cells, while each cell sees only what precedes it.
Livebook notebooks can display rich results such as charts, tables, maps, and diagrams, and can include interactive inputs and controls. The application also offers editor features including autocompletion, inline documentation, code formatting, and keyboard shortcuts. Notebooks are saved as . files, a Markdown-based format that combines prose, code, and diagrams.
Install this cask with brew install --cask livebook@nightly. On macOS, open Livebook. from Applications; on Linux, the cask installs Livebook.. This is the nightly build rather than the standard livebook cask, and Homebrew marks the two casks as conflicting.
For an overview and usage information, see the Livebook website.
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Install and uninstall
Homebrew installs the app in your Applications folder.
Install without Homebrew
Download the file Homebrew uses for your chip: Apple siliconIntel
$ brew uninstall --cask \livebook@nightlyA regular uninstall removes the app and keeps its settings and caches.
$ brew uninstall --zap --cask \livebook@nightly--zap also deletes the settings, caches and other files listed in the Homebrew definition. They can include data shared with other apps and cannot be restored, and it does not guarantee that nothing is left.See which files are removed
Questions
Is Livebook Nightly safe?
Livebook Nightly is in Homebrew’s official catalog and has not been disabled. Since September 2026, Homebrew disables apps that fail macOS Gatekeeper checks. The download comes from github.com; Homebrew does not verify a checksum for it. It was installed 1 time through Homebrew in the last 30 days.
How do I completely uninstall Livebook Nightly on a Mac?
Run brew uninstall --cask livebook@nightly. To delete its settings and caches as well, run brew uninstall --zap --cask livebook@nightly. That also deletes 2 files and folders, including ~/.
Does Livebook Nightly run on Apple silicon (M1 and later) Macs?
Yes. Homebrew downloads separate builds for Apple silicon and Intel Macs.
Where does Livebook Nightly store its settings and data?
Its data is in ~/. These locations come from Homebrew’s clean-up list.