ChameleON Social - Create your own dating site or social network
Workflowy - A better way to organize your mind.
vldPersonals - Full-featured PHP solution for running an online dating site.
Dynalist - Dynalist is a web app that lets you break down and organize your thoughts in the format of lists.
Skadate - Skadate is a dating software.
Taleguild - Web application for short story writers and essayists