The California State Library recently provided libraries with access to some really wonderful online learning tools geared towards adults. They can be found on the adult resources page in the Vet & Online Learning Resources section. Below is a bit more information about each resource.
Get Set Up: Live classes focusing on wellness, lifelong learning and social connection for older adults
Coursera: University and company courses, certificates, and degrees online
SkillShare: Creative courses and classes taught by experts to help with business and technology skills
Linkedin Learning: Expert-led course videos in business, technology, and creative topics (requires a library card and pin #)