Current landscape of chess platform as I understand it: lichess: non-profit, free and open source, community oriented, high quality tech, growing userbase, amazing founder ornicar, much loved by its users and supporters including me. Regular online competitions well attended but doesn't organise major events. Doesn't really do things like video lessons or partnership with streamers as far as I know, probably due to n…
I love lichess but it is hard to argue tech is better than chess.com. Chess.com analysis board is better(although for free membership it is lot worse), they have more number of puzzles, they organize CCC, their anti cheating detection is the most advanced and this all is without coming to UI part in which most feel it to be better or at least more customizable.
Basically lichess > chess.com > chess24 in the playing surface