Dark Destiny is a turn-based online space strategy game playable in internet browsers. The game tries to draw the players attention to long-term strategic decisions and extensive diplomacy.
PHP/MySQL program which allows you to create a database driven, account based, web art board/community. You can install a number of Java Applets (provided separately) on this board and literally draw on the web.
CGM aims to be a functional, easy-to-use web-based card game/management app. At this time there is OCTGN and a few other pay-to-use alternatives that are available, and OCTGN is the most familiar to me (for playing Game of Thrones and Magic). There is no functionality that OCTGN (or any card management app for that matter) has that couldn't be available from a web-based app.