Iodine - iodine is a free (ISC licensed) tunnel application to forward IPv4 traffic through DNS servers (IP over DNS). Works on Linux, FreeBSD, NetBSD, OpenBSD and Mac OS X.

Audio card by MyPostcard - Mail a 60 second audio recording in a personalized card

Swarm - Swarm lets you earn prizes and compete with friends based on the places you go.

Neveo - Neveo app features the print and delivery option of a fully customizable photo album to anywhere around the globe so you can share your memories with your family members.

Tooyoo Emergency Sheet - Free & secure, emergency medical information sharing

journi - Travel Blogging Rediscovered