Off the top of my head, I would suggest the Phoronix Test Suite
tldr: GPL OS X, Windows, Linux, Free BSD, Solaris, etc. everything you need
The Phoronix Test Suite is the most comprehensive testing and
benchmarking platform available that provides an extensible framework
for which new tests can be easily added. The software is designed to
Keep in mind that your website is designed to handle multiple users. The size of your client's user base will impact performance characteristics. Performance and Availability with 1 concurrent user will be not the same as with let say, 100 users. You should use a load testing tool which measures these characteristics under various load levels. We have a ...
You can use hdparm, dd, bonnie++, fio, iozone or orion to benchmark your disk on Linux. All these programs are free and open source. See How can I benchmark my HDD?, I/O Performance Benchmarking Linux, and Linux File System Read Write Performance Test for information on how to use them.
All of the photography forums seem to agree that while you can get a monitor set-up for colour by eye with reference images such as http://www.monitorsetup.com/ which does assume that you have a set of photographic colour reference cards you will only get an accurate colour, or color depending where you are in the world, profile by using a hardware solution ...
You can also try DareBoost.com which will give you performance and quality metrics and details information on what should be fix. You can launch an analysis for free to see how your website is performing now. And also track your website performance over time.
Or WebPageTest.org which is a bit more technical and only offer one shot analysis
Not ideal, but there is one website, http://www.wordvectors.org, which is presented in the paper "Community Evaluation and Exchange of Word Vectors" by Faruqui, Manaal and Dyer, Chris at ACL 2014 demo track), that allows word vector benchmarking.