A Quick Guide to Mozilla Applications
- Gecko
- Networking (necko)
- JavaScript (SpiderMonkey)
- System Modules
- XPCOM
- Process Separation / Fission / IPC / Actors
- DOM + WebIDL
- Style System (CSS)
- Layout
- Graphics
- Localization (Fluent)
- Profiles
- Preferences
- Observer Service
- Principals / Security model
- Chrome Protocol
- Resource Protocol
- About pages/protocol
- Toolkit
- Linting / building / testing / developer workflow
- WebExtensions
- Firefox for Desktop
- Firefox for iOS