HR Executive magazine has this on their website. It's a nice grid of software that is fairly simple to read. http://www.workindex.com/hrexecutive/images/hrms_bg.pdf
They also had this guide to specialty software (what I call point solutions) in the same format. So if you are looking for LMS, ATS or whatever... http://www.workindex.com/hrexecutive/images/specsoftware_bg.pdf
