XUL School is a comprehensive add-on development tutorial, focusing on Firefox extension development. It is recommended that you read through all of it at least once. While Firefox changes rapidly, the content in this tutorial should be up to date and valid.
- Basic functionality
- Intermediate functionality
- Advanced topics
The XUL School project was developed by Appcoast (formerly Glaxstar). The project is now published here following its sharing licenses. Its contents have been modified from the original source as necessary.