eveal brings the power of tools like Firebug and Web Inspector to iOS developers. See your application's view hierarchy at runtime with advanced 2D and 3D visualisations. Debug view layout and rendering problems in seconds.
T. Nelkner. 2nd World Summit on the Knowledge Society (WSKS 2009), Crete, Greece, volume 49 of Communications in Computer and Information Science, page 41-48. Springer, (2009)