WangGuard

The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible


WangGuard 10,000+ active installs Tested with 4.7.6 Updated 8 months ago

Anti-Splog

The ultimate plugin and service to stop and kill splogs in WordPress Multisite and BuddyPress, from WPMU DEV.


WPMU DEV 20+ active installs Tested with 4.7.6 Updated 7 months ago