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

Lichess Cloud Analysis for Chess.com

The What, Why, and How-to of Lichess Analysis Board - The School Of Rook

chess.com analysis of the same move in back-to-back games : r/chess

The right way to prepare openings : r/chess

Free Accuracy Calculator - Chess Forums

Free Chess Analysis

I have created an extension for infinite game review without chess.com Membership! : r/chess

I'm teaching chess to a new player and chess.com ruined it : r/chess

Tips for getting the most out of the post-game engine analysis : r/chess

Learn from your mistakes

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

Lichess Cloud Analysis for Chess.com - Download & Review

Need a way to build and learn an opening repertoire? Check out chessbook.com : r/chess

I made a repertoire learning app, you can try it if you want : r/chess

Where do you prefer to play online chess more: lichess.org or chess.com? - Quora