github is where over 100 million developers shape the future of software, together. contribute to the open source community, manage your git repositories, review code like a pro, track bugs and features, power your ci/cd and devops workflows, and secure code before you commit it.

stack overflow is the largest, most trusted online community for developers to learn, share​ ​their programming ​knowledge, and build their careers.

replit is a simple yet powerful online ide, editor, compiler, interpreter, and repl. code, compile, run, and host in 50+ programming languages.

the official home of the python programming language

the python package index (pypi) is a repository of software for the python programming language.

a computer science portal for geeks. it contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview questions.

well organized and easy to understand web building tutorials with lots of examples of how to use html, css, javascript, sql, python, php, bootstrap, java, xml and more.

learn to code — for free

run code live in your browser. write and run code in 50+ languages online with replit, a powerful ide, compiler, & interpreter.