Tribe of Mentors - Short life advice from the best in the world, by Tim Ferriss
Pathwright - Teaching platform where educators, trainers and others can easily create online courses.
Awesome Peers - Discover 900+ people who have free video call options
Frontend Mentor - Supercharge your front-end skills by building in a real-life workflow. Solve real-world HTML, CSS and JavaScript challenges whilst working to professional quality designs.
MentSpot - Find a mentor or become one for free
Hopps - Start instant screenshare sessions with vetted experts to get help with the tools you use at work all day, every day.