I made a web extension to analyze Chess.com on Lichess! for free! (see comments!) : r/chess

Use Lichess for analysis and Chess.com to Play the games : r/chessbeginners

I made a browser extension that Adds Videos to Lichess (Analysis, Study) and Chess.com (Analysis, Game Review) so you can watch matching videos explaining the positions there. Link in the comments

The right way to prepare openings : r/chess

Lichess2Chess: A free and open-source browser extension to display Chess.com estimated ratings alongside Lichess ratings (Chrome & Firefox) : r/lichess

Really, chess.com analysis? : r/chess

Some tips regarding chess.com's Game Report feature : r/chess

Free Accuracy Calculator - Chess Forums

Chess.com Analysis at Lichess

Proof why is better Lichess.org during Analysis - Chess Forums