Heaps - Tinder with your friends. Party in a group.
PenPal World - Connect with people all over the world
Double - Tinder for double dates
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.
Radiate - It's not Tinder for festivals. A new way to meet 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.