Try out the free certifications at Brainbench.com. I have been taking tests on this site since it's inception. Below are some sample certs that I have passed.
The mark of the man who thinks...sometimes
Poetry, Chess, Programming, Philosophy, Philanthropy etc.
Twitter Handle @petrushkagoogol
External Spaces
https://themindspace.quora.com/?ch=10&oid=2086271&share=396067ef&srid=XrZim&target_type=tribe