ViennaProfiler allows to compare execution times of full programs or parts of a program. Execution times are stored in a MySQL database and conveniently analyzed via a web-interface. A C++ client API is provided, other languages can also be used.
Simple utility to test results of your programs. You set up possible problems, supply the answers, and you are ready. Users connect through web interface, and submits solution. Diodos detects for which problem it is, compiles, and returns results.