Board Game Arena (real-time or turn-based)
https://boardgamearena.com
BGA is a real time board game online game system (+ support for turn-based).
BGA is the first community website for online boardgaming: 500+ games, 10 thousand online players, 45 languages, 100 thousand games played per day.
Players are registered on the site and can afterwards arrange games via an open lobby system.
Players are ranked using an ELO system and can be filtered via a reputation system.
Board Game Arena's own games list
Geeklist of all BGA games
