juniversal 

jsimple-util provides utility claasses for collections (standard Java style), date time conversion (based on Joda Time), regular expression style matching (functional style), some platform dependent... More information

JSimple stream, file, and network I/O utilities

JSimple unit test support, based off of JUnit

JSimple logging API, behind which different loggers can be supplied. Based off of SLF4J

JSimple JSON read/write support

JSimple OAuth support, based off of Scribe

JSimple logging implementation, based off of logback