RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.

Meson - Meson is an open source build system meant to be both extremely fast, and, even more importantly...

Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything

CMake - CMake is an open-source, cross-platform family of tools designed to build, test and package software.

Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.

waf - Waf is a Python-based framework for configuring, compiling and installing applications.