PenPal World - Connect with people all over the world

CleanTimeline - Your Twitter timeline without any distractions or ads

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.

Typefully - Write & publish great tweets, without distractions

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.

Shipstreams - A list of makers shipping live