RuboCop - A Ruby static code analyzer, based on the community Ruby style guide.
Binance Academy - Free learning resource for blockchain and crypto
SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.
CryptoHack - A fun platform for learning cryptography
ESLint - The fully pluggable JavaScript code quality tool
Coin Demo - Visual demonstration of how bitcoin transactions work