- A script to convert Pontoon-style l10n files to WebExtension-style l10n files.
- A node cli to control Firefox
- Yet another command-line utility to generate changelogs.
- Color variables for Firefox and related properties.
- Uses JPM with ADB in order to run Jetpacks on an Android device.
- Jetpack Mechanic utilities for creating, testing, running and packaging Mozilla Jetpack Addons
- Cross platform components for building Firefox add-ons