Support
The first place to turn for help is the mailing list.
Subscribe by sending a blank email to nesta@librelist.com. You can also browse the list archives.
Please don’t ask for help by filing tickets in the GitHub issue tracker. Yes, I’ll see your ticket, but I’ll just ask you to re-post the question to the mailing list. There are some sharp people on the list and you’ll get a quicker response that way. I also prefer to use issue trackers for tracking new features and bugs. Sorry.
You can follow Nesta on Twitter at @nestacms. New themes and plugins, new features, etc. get tweeted.
Feel free to ask questions on Twitter, but bear in mind that 140 characters isn’t the best medium for support! Messages to the mailing list will also be read sooner, and by more people.
IRC channel
There’s a #nesta IRC channel on the freenode network; it’s not exactly busy, but there’s a reasonable chance that you’ll find somebody in there who can give you a hand.
It’s also a good place to arrange to meet up to debug people’s sites if we can’t work something out quickly on the mailing list.