• serebii.net - news and info
• custom serebii RSS feed
• bulbapedia wiki
• cave of dragonflies
• gen I capture mechanics
• lyra made a website
• gen II headbutt tracker

hit me up on chat and we can play

• ygopro client (linux/windows/mac/android/ios)
• edopro client (linux/windows/mac/android)
• ygoprodeck - best database
• pack database / pack sim
• top decks
• edison format / goat format / format library
• yugipedia

• lichess.org - chess (user: ametzner)
• bgammon.org - open source backgammon, guests ok
• tenhou.net - riichi mahjong
  • mahjong resources / translation extension
• skribbl.io - pictionary, no sign-up