- Heather Arthur
- Firefox Developer Tools
- Heather’s Addon - Rainbow
- XUL
- BugZilla
- Context Font
- FF Add-ons
- remote debugging
- Firebug
- FF Developer Toolbar
- pseudo-class lock
- responsive design view
- Chrome Workspaces
- Brackets
- Chrome heap profiling
- Firefox OS simulator
- FF App Manager
- Servo
- FF nightly
- FF Aurora
- @FirefoxDevTools
- #devtools on irc.mozilla.org
- developer tools on Bugzilla