AffiliateWP - A powerful affiliate marketing solution for WordPress.
Buffalo Go Framework - A Go web development eco-system, designed to make your life easier.
Echo - Golang HTTP server framework
MarsEdit - MarsEdit is a desktop blog editing application for the Mac. It provides an offline interface to most popular blogging systems. WordPress, Blogger, Tumblr, Movable Type, and many other systems are supported.
Everflow - Partner Marketing Platform - Track, Analyze & Automate
Yak - Effortless Dropbox blogs