GapDebug - GapDebug is a comprehensive mobile debugging tool that bridges the gap left by other debugging options.
ANTLR - ANTLR, ANother Tool for Language Recognition, is a language tool that provides a framework for...
Bugfender - Cloud logging for your apps, not only crashes matter
textX - textX is a meta-language for building Domain-Specific Languages (DSLs) in Python. It is inspired by Xtext. It will help you build your textual language easily. You can invent your own language or build a support for an existing textual language.
FBSonar - Sonar is a platform for debugging mobile apps on iOS and Android.
parboiled - Elegant PEG parsing in Java - lightweight, easy-to-use, powerful.