AI Central is the HackerNews for practical, hands-on tutorials to learn about Artificial Intelligence.
Versa is a resource for the self-taught. Dig deep into different trunks and branches for free and paid resources.
The BitDegree platform offers students the best online courses with a clear and transparent blockchain based reward system and achievement tracking. Think of it as Coursera and HackerRank merged together, powered by the decentralized blockchain.
NOTE: Till 7-6-18, 08:00 EST, All Courses are Free on the BitDegree.