Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
DNScapy - DNScapy is a DNS tunneling tool. The code is very light and written in Python.
Feedback Tools - Curated directory of tools for getting all the feedback
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.
unloved. for travel - buy and sell non-refundable travel bookings
Jiyo - Your personal well-being companion