Skip to content


Calva Logo

Calva is an integrated REPL powered environment for enjoyable and productive Clojure and ClojureScript development in Visual Studio Code. It includes inline code evaluation, Paredit, code formatting, a test runner, syntax highlighting, linting, and more. 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

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!

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.

Happy coding!