Jacareto
Capture and replay tool for Java GUI applications
Jubula
Functional GUI test tool for Java and web applications (archived)
LDTP
Cross-platform GUI test automation tool based on accessibility
MarathonITE
GUI test automation for Java/Swing, JavaFX and web applications
NUnitForms
NUnit extension for testing Windows Forms applications
Oracle Application Testing Suite
Oracle’s functional and load testing suite (limited to EBS customers)