The Design of Everyday Things - A timeless book, The Design of Everyday Things explores the fundamentalprinciples behind all design, and how to understand the psychology behind how we use things, and why they frustrate us.

Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

CS50x - HarvardX (edX) - An introduction to the intellectual enterprises of computer science and the art of programming.

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.

Head First Programming - Looking for a reliable way to learn how to program on your own,without being overwhelmed by confusing concepts?Head FirstProgrammingintroduces the core concepts of writing computerprograms -- variables, decisions, … - Selection from Head First Pro…

CodeClimate - Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.