← DenoAlternatives
Deno alternatives
Quick answerThe best free Deno alternative is Bun, for fast runtime with bundler and test runner.
At a glance
How to choose
- For fast runtime with bundler and test runner: Bun (free, open source)
- For Secure, all-in-one JS/TS runtime: Deno itself
Closest alternatives
Bun is a fast runtime but lacks Deno's built-in security model and integrated tooling suite. Deno vs Bun →
More Language tools
FAQ
What is the best alternative to Deno?+
The closest Deno alternative is Bun (fast runtime with bundler and test runner). It links to a side-by-side comparison with Deno.
What is the best free alternative to Deno?+
Bun (fast runtime with bundler and test runner) is the closest free alternative to Deno.
Is there an open source alternative to Deno?+
Yes. Bun (fast runtime with bundler and test runner) is open source.
What is Deno used for?+
Deno is a fast, secure JavaScript/TypeScript runtime with built-in package manager, testing, linting and more. Common uses: running existing Node projects with TypeScript without rewriting code, building serverless edge functions that need fast cold starts and built-in observability and creating native desktop applications from a web stack using Deno Desktop.
Is Deno free?+
Deno has a free tier and paid plans.




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