OpenClinica - OpenClinica is an open source clinical trials software.
RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
Castor EDC - Castor offers you a user-friendly and fully featured application for electronic data collection.
Randommer - Generate random number, telephone numbers, text, hashed and social security numbers
Medidata CTMS - Medidata CTMS seamlessly integrates with Medidata Rave to provide real-time views into study progress without manual tracking.
GeneratorMix - A place with hundreds of generators split into different categories from science to entertainment.