Codewars: Achieve mastery through coding challenge
Codewars is a coding practice site for all programmers where you can learn various programming languages. Join the community and improve your skills in many languages!
Instantly generate a free, unique URL and email address to test, inspect, and automate (with a visual workflow editor and scripts) incoming HTTP requests and emails
Codementor | Get live 1:1 coding help, hire a developer, & more
Codementor is the largest community for developer
mentorship and an on-demand marketplace for software developers.
Get instant coding help, build projects faster, and read programming
tutorials from our community of developers.
We've integrated the interactivity from Code School into the Pluralsight platform. Grow your skills with code courses, assessments, paths and expert-led content on todays most in-demand technologies.
CodeCombat - Coding games to learn Python and JavaScript
Learn typed code through a programming game. Learn Python, JavaScript, and HTML as you solve puzzles and learn to make your own coding games and websites.
Run code online in the browser. 39 languages supported: Assembly,ATS,Bash,C,Clojure,COBOL,CoffeeScript,C++,Crystal,C#,D,Elixir,Elm,Erlang,F#,Go,Groovy,Haskell,Idris,Java,JavaScript,Julia,Kotlin,Lua,Mercury,Nim,Nix,Ocaml,Perl,PHP,Python,Raku,Ruby,Rust,SaC,Scala,Swift,TypeScript,Plaintext