WhosDown - App where you can genuinely make friends—connecting with someone that shares a common interest
Tripcast - A living travel journal for your friends back home.
Meetup for iOS and Android - Discover groups that are all about the things you love
Journyal - Journyal helps you to automatically record your travels, be it backpacking trips, hikes, overseas travel, or even food trails. Simply press start and take photos as you would along the way, and Journyal will help you keep track of everything.
MEETplnr - Organize meetups in your chat groups with ease
Firef.ly - An app that's your local guide and intimate travel journal.