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Calva is an integrated, REPL powered, development environment for enjoyable and productive Clojure and ClojureScript programming in Visual Studio Code. It is feature rich and turnkey. A lot of effort has been put into making Calva a good choice if you are new to Clojure. Calva is open source and free to use.

Getting Started#

Let's start a REPL!. 🚀 Also see Get Started with Clojure

How to Contribute to Calva?#

I'm glad you asked! Please see How to Contribute and The Tao of Calva

Calva Patrons#

The right kind of different

Calva Gold Sponsors ♥️#

Scale your growth on mobile
ThorTech Solutions

Please see this statement from Cognitect about the importance of supporting open source developers.

See Sponsors for information about sponsoring Calva.

If your Company benefits from Calva's existence and you see it as an important in the Clojure and ClojureScript ecosystem. please consider sponsoring!


Calva includes inline code evaluation, structural editing, code formatting, code navigation, a debugger, linting, syntax highlighting, Clojure aware rainbow brackets, a test runner, refactoring support, and more.

Have Questions and Feedback? Need Help?#

Easiest way is to chat with us and other Calva users. Please join the #calva channel on the Clojurians Slack. If you haven't joined that slack workspace, you can get an invite here.

If you're a beginner to Clojure(Script), the #beginners channel of the Clojurians Slack is very active and helpful.

Please star the Calva repo!#

Please star the Calva repo!

Happy coding!