* '''Developer Toolbar''': jwalker, mikeratcliffe
* '''Scratchpad''': benvie, robcee, fitzgen
* '''App ManagerWebIDE''': jryans, paul, ochameau, janx* '''Firefox OS Simulator''': ochameau, paul, jryans, janx
* '''Tilt (3D View)''': vporof
* '''Canvas Debugger''': vporof