Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.

Flynn - Run apps, databases, websites and services at scale.

Infinity - Infinity is a fully flexible work management platform where you can organize all your work, your way.

Repman - Free private PHP package repository manager

Toby for Teams - Better bookmarks, now with collaboration baked in 🔖

Heroku - Agile deployment platform for Ruby, Node.js, Clojure, Java, Python, and Scala. Setup takes only minutes and deploys are instant through git. Leave tedious server maintenance to Heroku and focus on your code.