View the current orderbook.
reddit, github, the wiki for getting started, chat with us on IRC freenode #joinmarket, or cyberguerrilla same channel (bridged).
New joinmarket codebase to support Taker users, with sendpayment, tumbler and other scripts (installation for command line here), and new version of Joinmarket-Qt app (see the releases page for latest binary, or use script), here are some short walkthrough videos:
(First and second videos introduce wallet loading and some settings; you can probably skip these, you can also take a look at the old walkthrough; the introductory steps in the walkthrough are still valid (not the installation of course). The third video, on single coinjoins and the fourth, on tumbling are useful for any users, probably.)Blog of Adam Gibson (maintainer of site, Joinmarket contributor).
The new protocol (0.2.2) has several updates, notably a defence mechanism against snooping, and also the ability to communicate over multiple servers simultaneously for better redundancy and censorship resistance. For the former, see this blog post for some theory, and for some more practical thoughts on functionality, see this other blog post, and this more readable one about the attack and defence generally.
Ongoing discussion of a likely future protocol update here; we are looking for a good way to make economical Sybilling ineffective. There are some promising directions. Please get involved!