Error Prone - Error Prone is a bug detection tool for Java code, integrated into the Java compiler.
FusionDebug - FusionDebug an interactive step debugger for ColdFusion Markup Language.
UNICOM PurifyPlus - PurifyPlus is a run-time analysis tools for application reliability and performance.
Vorlon.JS - Vorlon.JS is an open source, extensible, platform-agnostic tool for remotely debugging and testing JavaScript.
Xpediter - Xpediter is a mainframe application interactive debugging tool. It also offers code coverage for mainframe application analysis.
Delve Debugger - Delve is a debugger for the Go programming language.