Skyscanner - Skyscanner.com compares over 1000 airlines to find you the cheapest airfares, fast.
Unimus - Unimus is a Network Automation and Configuration management (NCM) solution designed for fast deployment network-wide and ease of use. Unimus does not require learning any abstraction or templating languages, and does not require any coding skills.
JetRadar - Compare flights from hundreds of airlines & travel agencies
Oxidized - configuration backup software (IOS, JunOS) - silly attempt at rancid
Kiwi.com - Find and book the best low-cost flights all around the world
RANCID - RANCID - Really Awesome New Cisco confIg Differ.