KPoet is a Kotlin extensions library on top of JavaPoet that helps you write code generators / annotation processors that feel like actually writing Java code directly. It provides a Kotlin DSL syntax that resembles real java code as much as possible. Also it attempts to make the code generator writing clear as writing native java code itself.
FSquaDRA is a tool for detection of repackaged Android applications. The approach is based on the idea that repackaged applications want to maintain "look and feel" of the originals.