Deno
A secure JavaScript runtime
About Deno
Deno is a JavaScript runtime. Runs TypeScript directly, with permissions off by default.
Deno is best for developers who want secure-by-default TypeScript. Deno is open source. It works on Windows, Mac and Linux.
Features
TypeScript built in
No setup needed.
Permissions
Scripts ask for access.
npm support
Use existing packages.
Questions about Deno
What is Deno?
Deno is a JavaScript runtime. Runs TypeScript directly, with permissions off by default.
Who is Deno best for?
Deno is best for developers who want secure-by-default TypeScript.
What are the main features of Deno?
Its main features include TypeScript built in, Permissions and npm support.
Is Deno free?
Yes. Deno is open source, so you can use it for free and read its code. Hosted versions or support may cost extra.
What platforms does Deno work on?
Deno works on Windows, Mac and Linux.
What are the best alternatives to Deno?
Popular alternatives include Node.js and Bun. Compare them on the features you need most.
How do I choose a JavaScript runtime?
Check support for the packages you use, how it performs on your work, and how widely hosts support it.
Alternatives to Deno
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