EMMA - Reports on class, method, basic block, and line coverage (text, HTML, and XML). Last stable release is from 2005. [Open source, Common Public License] Hansel - JUnit extension that adds code coverage testing to the framework. [BSDL] Java Test Coverage Tool - A tool for collection test coverage on large Java Systems. Works with Java, Realtime Java, and embedded JVMs. [Commercial] Open Source Code Coverage Tools in Java - Lists tools with links and a short description. Clover - Analysis tool featuring statement, method, and branch coverage. Site includes overview video, documentation, trial download, and blog. [Commercial, Free trial, Free for open source and non-commercial projects] Cobertura - Calculates and reports test coverage for Java programs, tool is based on jcoverage. Site includes documentation, FAQ section, download option, and sample reports. [Free software, partially ASL v1, partially GPL v2] JavaCov - Tool for verifying the so-called MC/DC (Modified Condition/Decision Coverage) testing criterion. Site includes documentation and screenshots. [Commercial] eCobertura - Cobertura Eclipse Plugin for measuring and visualizing Java code coverage. Site includes documentation and Eclipse Update Site. [Eclipse Public License v1]