So here's something I've been very, very bad at self-promoting: http://fractive.io/
Fractive is my open-source tool for writing hypertext games using Markdown!
It's a little bit like Twine, but for people who'd rather just write straight-ahead instead of fussing with the node graph.
Hm, much like in TweetDeck, it looks like the "description" tag doesn't get used here. (It does get used on twitter.com for expanded tweets, so it must be hooked up correctly...)
Game development! Discussions about game development and related fields, and/or by game developers and related professions.