# 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

- [Testing](https://ubuntu.com/docs/launchpad/developer/how-to/testing/index.html.md): How-to guides for testing Launchpad: running, writing, and measuring the coverage of tests.
- [Running tests](https://ubuntu.com/docs/launchpad/developer/how-to/testing/running-tests/index.html.md): How to run Launchpad's test suite locally, including running the whole suite, selecting specific tests and layers, and speeding up runs.

## Optional

- [Top-level llms.txt](https://ubuntu.com/docs/launchpad/llms.txt): Complete documentation index.