Git Reference : This is the Git reference site. It is meant to be a quick reference for learning and remembering the most important and commonly used Git commands.
Inj3ct0r 1337day.com : Exploit database separated by exploit type (local, remote, DoS, Poc, etc.)
Deploystack : Curated list of best tools for launching your website. Find how to get the best hosting, cheapest domain, files storage, monitoring and more.
Collection of thinking tools and frameworks to help you solve problems, make decisions and understand systems.