Computer Science

Scala at Light Speed (full course)

Big Data Analysis with Scala and Spark

Functional Programming Principles in Scala

Rust Programming Course for Beginners (freeCodeCamp)

Take Your First Steps with Rust (Microsoft Learn)

Advanced Rust Programming (Coursera)

Rust Programming Specialization (Duke University, Coursera)

Rust Fundamentals (Duke University, Coursera)

Learn Ruby (Codecademy)

Learn to Code with Ruby (Coursera, Packt)

Learn Ruby on Rails, Full Course (freeCodeCamp)

Ruby Programming Language, Full Course (freeCodeCamp)

Ruby on Rails (The Odin Project)

Ruby (The Odin Project)

R for Programmers (Codecademy)

Introduction to R (DataCamp)

How to Build a Website from Start to Finish, Free 5 Hour WordPress and PHP Course (freeCodeCamp)

Free PHP Training Courses (Zend)

PHP course (SoloLearn)

PHP Tutorial (W3Schools)

Learn Intermediate PHP

Learn PHP: Introduction

Learn PHP (Codecademy skill path)

Intro to PHP (Packt, Coursera)