PenPal World - Connect with people all over the world
PDF Search for Mac - Search documents using Artificial Intelligence
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.
FYI - Find your documents, like magic 🔮
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.
CloudSponge Address Book Widget - Let your users look up contacts without leaving your site.