Mailtrain : Mailtrain is a self hosted newsletter application built on Node.js (v5+) and MySQL (v5.5+ or MariaDB). Mailtrain supports subscriber list management, ...
Infection Monkey : The Infection Monkey is an open source security tool for testing a data center's resiliency to perimeter breaches and internal server infection. The M...
Postal : Postal is a complete and fully featured mail server for use by websites & web servers. Think Sendgrid, Mailgun or Postmark but open source and ready f...
Izanami : Izanami is a shared configuration, feature flipping and A/B testing service perfectly well suited for micro services environment written in scala and ...
UnoCSS : UnoCSS is the instant atomic CSS engine, that is designed to be flexible and extensible. The core is un-opinionated and all the CSS utilities are prov...
CryptoZombies is a free, open source, interactive code school that teaches you to build games on Ethereum. The course is designed for beginners to Solidity and starts off with the absolute basics.