Higher Logic - Private, secure online communities that stimulate conversation and ignite engagement.
ChameleON Social - Create your own dating site or social network
Tribe.so - Tribe is a white-label platform, empowering the new generation of online communities.
vldPersonals - Full-featured PHP solution for running an online dating site.
Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.
Skadate - Skadate is a dating software.