Grapedrop - Build free, responsive, website pages with an easy to use online builder. Design and publish online immediately or export the code and host it wherever you want
PenPal World - Connect with people all over the world
mmm.page - Dead simple, drag & drop personal websites
Unbordered - Unbordered app comes up with features to help you in finding the perfect language practice and exchange partners so you can practice foreign languages right through your mobile phone.
Graphite - Graphite is a highly scalable real-time graphing system.
We3 - AI that finds you the most compatible people nearby