Free universal database tool and SQL client

MyBatis SQL mapper framework for Java

Vert.x is a tool-kit for building reactive applications on the JVM

A list of useful Java frameworks, libraries, software and hello worlds examples

Shopizer java e-commerce software

Broadleaf Commerce CE - an eCommerce framework based on Java and Spring

High performance JVM JSON library

Performance testing of serialization and deserialization of Java JSON libraries

Java 8 optimized, memory efficient, speedy template engine producing statically typed, plain java objects

LINQ-style queries for Java 8

Collection of examples on how (and why) to build hypermedia-driven apps with Spring HATEOAS