# Launchpad > This is the documentation for Canonical Launchpad, an open source platform that > enables open source developers to collaborate with others to build and publish open > source software. 2026 CC-BY-SA, Canonical Ltd. ## Pages in this subsection - [Reference](https://ubuntu.com/docs/launchpad/developer/reference/index.html.md): Coding conventions and service reference for Launchpad developers. - [Python style guide](https://ubuntu.com/docs/launchpad/developer/reference/python/index.html.md): Python coding style guide for Launchpad development. - [Tests style guide](https://ubuntu.com/docs/launchpad/developer/reference/tests/index.html.md): Summary of conventions for Launchpad Tests. - [CSS style guide](https://ubuntu.com/docs/launchpad/developer/reference/css/index.html.md): CSS and SCSS style guide for Launchpad development. - [Tagging bugs about Launchpad](https://ubuntu.com/docs/launchpad/developer/reference/bug-tags/index.html.md): Standard bug tags reference for Launchpad's Bug Tracker. - [Build farm](https://ubuntu.com/docs/launchpad/developer/reference/services/build-farm/index.html.md): Reference doc linking to resources related to the Launchpad build farm including documentation, git repositories, and bug trackers. - [Signing service](https://ubuntu.com/docs/launchpad/developer/reference/services/signing/index.html.md): Reference document for Launchpad's signing service with links to documentation, deployment information, git repository, and bug tracker. - [Fetch service](https://ubuntu.com/docs/launchpad/developer/reference/services/fetch-service/index.html.md): Reference document for the Fetch service. Provides links to logs, git repositories, documentation, etc. - [Buildbot](https://ubuntu.com/docs/launchpad/developer/reference/services/buildbot/index.html.md): Reference doc for the Buildbot CI testing framework used by Launchpad linking to documentation, log files, git repositories, etc. - [Automatic translations tarball exports](https://ubuntu.com/docs/launchpad/developer/reference/services/automatic-translations-export/index.html.md): The schedule of automatic translations tarball exports from Launchpad. - [Mirror prober](https://ubuntu.com/docs/launchpad/developer/reference/services/mirror-prober/index.html.md): Reference document for the the mirror prober script and how to access the log files. - [Ubuntu mirrors index](https://ubuntu.com/docs/launchpad/developer/reference/services/ubuntu-mirrors-index/index.html.md): Reference document for the Ubuntu mirrors index service. - [Git hosting](https://ubuntu.com/docs/launchpad/developer/reference/services/git-hosting/index.html.md): Reference document for Launchpad's Git hosting service. - [Code import](https://ubuntu.com/docs/launchpad/developer/reference/services/code-import/index.html.md): Reference doc for Launchpad's Git import system. - [Launchpad public mailing lists archives](https://ubuntu.com/docs/launchpad/developer/reference/services/mailing-lists-archives/index.html.md): All about the archive of Launchpad's deprecated mailing list service. - [Launchpad and email](https://ubuntu.com/docs/launchpad/developer/reference/email/index.html.md): Launchpad email processing reference. ## Optional - [Top-level llms.txt](https://ubuntu.com/docs/launchpad/llms.txt): Complete documentation index.