The creators of the CPS. You can download the latest version of the CPS software here. Also check out the video tutorials for this new software which debuted in July: http://einstruction.com/Training/Videos/
MMLA Mathematics Assessments: http://mathassessments.mscenters.org/
Generate MEAP like items for grades K-8 aligned with Michigan GLCEs. It's very easy to use these PDFs as a "fast grade" lesson in CPS.
CoolSchoolTools.com CPS video tutorials: http://coolschooltools.com/cps/tutorials.html
and even more tutorials on the Tevebaugh Group website: http://www.tevebaughgroup.com/
FSCreations Title Track: http://www.fscreations.com/titletrack/
Does your textbook come with ExamView question banks? Find out by searching the FSCreations database. ExamView questions can be used with the CPS.
Kenton County Kentucky CPS lessons: http://www.kenton.k12.ky.us/max/max_cps.htm
Lots of sample CPS lesson files can be downloaded here.