The Guardian DotCom
Web-based Visual Query Designer is a tool for generating SQL queries.
Personal Version System
Combined tree-based/event-based XML parser in Java
A program to check source code for mispelings...
Java (6&7) Code Coverage Plugin for NetBeans, based on JaCoCo
Library tools to collect timing in Java, C, C++
Light XML to Java mapping based on SAX
JetBrains Meta programming System
Basic building blocks library
Java and C Comparative Performance Benchmarks