Chrome Developer Tool - Develop and Debug Chrome Apps & Extensions. By Google
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.
Spaceship ZSH - Powerful, customizable Zsh prompt, your own spaceship 🚀
Heroku CI - Continuous Integration from Heroku
GitHub Student Developer Pack - The best developer tools, free for students.
Turboku - Make your Heroku web dynos 60% faster with fly.io