lichess.org — Free, open source website for playing and learning chess.
chess.com — Another popular place to play and learn chess
https://www.pittsburghcc.org/ — Pittsburgh Chess Club
https://www.perpetualchesspod.com/ — Friend NM Ben Johnson’s chess podcast of conversations with the movers and shakers of the chess world. Players, educators, authors, book reviews and more. Check it out!
gpchess.net — Friend FM Gabriel Petesch’s website. Lessons, group classes, etc.
youthchess.net — Scholastic/youth tournaments, classes, school programs organized by NM Jerry Meyers based in Pittsburgh, PA.