Marathon supports testing of Java/Swing and Java/Fx applications.
Mock service for SOAP/REST webservices to support automated tests.
C++ unit testing framework
Determines changes during installation/removal or similar process.
simple local dns that either answer query or forward them
C++11 unit testing framework based on Perl's Test::More module.
Ruby library to pilot interactive command line processes in real time
A Portable Thin Client & Server Pair for XA / 2PC Testing
PunyKit - it's a very simple webkit-based browser.