The NVD is a U.S government repository of standards for management of vulnerable data. Includes information on security checklist, software flaws, and other related topics.
The Cybersecurity Framework provided by the National Institute of Standards and Technology is meant to help organizations identify and reduce cybersecurity risks.
Center for Academic Excellence in Cybersecurity is a designation from the National Security Agency (NSA) for institutions that meet cybersecurity education standards and requirements. WTCC has this designation.
SANS mission is to empower cybersecurity professionals by providing access to educational resources. The Resources page has a list of free cybersecurity resources for you to browse.