A very, very compact library that enables you to create on-demand singletons within your application and easily store them to disk. Utilizing a dead-simple API, this library makes creating singletons and persisting data much more fun!
MicroPinner is a lightweight dialog-only application, that turns your statusbar into a pingboard. (You can basically create your own notifications)
You can customize the notifications title and content, as well as its priority and visibility (Works on Android 5+ only).
Takt is Android library for measuring the FPS using