Recent and Ongoing BLK Projects You Can Find on the BLK Reddit from 5 different, active sets of devs:

1.  POS 3.0 - Rat4 working a lot these days, update released earlier today
2.  BlackHalo!!! Smart contracts for over a year, now with cold staking
3.  NightTrader! markets for smart contracts, templates, huge
4.  Project Legoinnaire - yes still going, stealth wallet Obsidian with custom stealth pseudonyms
5.  Obsidian Cryptvault Technologies - BlackHive web wallet, BLK infrastructure, recently released address derivation/priv key extraction tool

Still hoping to hear more from Blackwave Labs with their Exco.in exchange, Onyx payment gateway and Bits wallet.  Bits is going to inlcude geolocal storefronts, quorum sensing for protests!