Description: freeCodeCamp is a free, open source coding platform that offers interactive coding challenges and projects to help people learn web development. It has a large community of developers and allows users to earn certifications.
Type: software
Pricing: Open Source
Description: Wikibooks is an open collection of textbooks and study guides that anyone can contribute to. It aims to create high-quality textbooks and learning materials that are free for anyone to access.
Type: software