endoh.io-client

https://relearn.to/

Relearn is a platform for self-learners. Here, you can find:

A to-do list to help you study (you can rate your resources)

A social network to see what other people are studying

A personal list of skills (inspired by The Sims)

Create roadmaps for your skills.

Keep questions of your studies, then, create some flashcards

Test yourself with your flashcards