The OWASP ZAP core project
Test automation made simple
CAT is the basic component of the server project
Marathon supports testing of Java/Swing and Java/Fx applications.
A simple tool for testing SPARQL system performance and reliability
Measurement science-based performance & conformance testing framework
Enables you to run load test written in a .Net language with Grinder.
A Portable Thin Client & Server Pair for XA / 2PC Testing