Here are the most common Microsoft Dynamics GP (or related product) “official” sites:

Website Description
GP Directory This is a public page that is a directory to all of the most important and useful links around Dynamics GP.
GP Documentation This is a direct link to the page for GP.
Support & Services Blog Blog from the support engineers who support Dynamics GP every day.

Current Microsoft MVPs

These are the remaining MVPs who used to be "Dynamics GP" MVPs when we were awarded at a product-specific level. All MVPs awarded after 2019 are now at a "category" level, like "Business Applications" or "Data Platform". For a full list of current Microsoft MVPs, visit this link:

Name/MVP Profile First Awarded Primary focus Blog
Mariano Gomez 2008 Power Platform Blog
Monzer Osama 2008 Power Platform Website
Belinda Allen 2012 PowerBI GP Website, BI Website
Steve Endow 2014 Business Central Blog
David Musgrave 2015 Dynamics GP Blog
Jen Kuntz (me!) 2016 Dynamics GP, Power BI Blog (this site)
Shawn Dorward 2017 Business Central Blog