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: GeeksforGeeks is a computer science portal with a huge variety of well-written and explained computer science and programming articles, quizzes and interview questions. It covers topics like data structures, algorithms, operating systems, languages like C++ and Java, and more.
Type: software