CoinJoin implementation with incentive structure to convince people to take part
Alternatives to the default scripts for Joinmarket (especially yield-generator)
Scripts to setup and use JoinMarket on the TAILS OS
Technical documentation of Joinmarket - user documentation is in the wiki.
Bitcoin Improvement Proposals
minimal IRC server, forked for testing of
A binary distribution of JoinMarket - a Qt GUI, currently just for sendpayment