GapDebug - GapDebug is a comprehensive mobile debugging tool that bridges the gap left by other debugging options.
Logisim - Logisim is an educational tool for designing and simulating digital logic circuits.
Bugfender - Cloud logging for your apps, not only crashes matter
Logicly - - Design circuits quickly and easily with a modern and intuitive user interface with drag-and-drop...
FBSonar - Sonar is a platform for debugging mobile apps on iOS and Android.
Digital - A simulator for digital circuits.