From Mahara Wiki
Note: If you are looking for plugins to download, you can browse a list of them at http://wiki.mahara.org/Plugins
And much more here : https://wiki.mahara.org/index.php/Plugins
Mahara has a highly pluggable architecture. Currently, you can write plugins for authentication, content types (artefacts), blocks, notifications, search and more. In addition, you can theme Mahara, and also translate the UI to different languages.
- The Mahara Architecture Introduction series of articles gives you a general introduction to how Mahara is structured, and where plugins can go and what they can do.
- Plugin migration between Mahara 1.3 and 1.4 Notes to help upgrade or backport Mahara plugins
- Tutorial for creating a Mahara blocktype plugin
If you want to include third-party code as a part of your plugin, please verify that that code is compatible with GPL v3, which is the license that the Mahara is licensed under.
You can verify license compatibility using the following references: