# Contributing

Chamilo is an open-source project that welcomes contributions. This section covers how to contribute effectively.

* [**Coding Conventions**](https://docs.chamilo.org/2.x/developer-guide/developer-guide/contributing/coding-conventions) — Code style and standards
* [**Git Workflow**](https://docs.chamilo.org/2.x/developer-guide/developer-guide/contributing/git-workflow) — Branching, commits, and pull requests
* [**Testing**](https://docs.chamilo.org/2.x/developer-guide/developer-guide/contributing/testing) — Testing strategy and tools