There are a number of Facebook groups related to Canada Immigration which may be of some help for members of MyImmiTracker, these groups may help stay up-to-date on news and PNP openings.
1. Ontario PNP
2. Saskatchewan PNP
3. Nova Scotia PNP
4. New Brunswick PNP
5. Quebec Skilled Worker Program
6. FSW & CEC - Inland/Outland Applicants Converge Here - Canada
Hope this helps!