Maker Audience List - Reach over 7,000 successful tech founders and makers.
PenPal World - Connect with people all over the world
Snapchat - Real-time picture chatting
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.
WaitWho.is - An RSS for people.
Anygram - Anygram app offers features that let you meet new people so you can make new foreign friends practice native languages to learn something new.