What is the main difference between Deno and Node.js?

Deno is a secure-by-default JavaScript/TypeScript runtime that requires explicit permissions for file, network, and environment access. Node.js has unrestricted access by default. Deno also has first-class TypeScript support without configuration, while Node.js requires additional setup.

When should I use Deno vs Node.js?

Choose Deno for security-sensitive applications, TypeScript-first projects, or edge computing environments where Deno Deploy excels. Choose Node.js for maximum npm ecosystem compatibility, existing Node.js codebases, or when you need broad native module support.

Is Deno compatible with npm packages?

Deno added npm compatibility (via npm: specifiers) in version 1.28. Most modern npm packages work with Deno, though some with native addons or Node.js-specific APIs may not. Node.js has complete npm compatibility by definition.

Free Tool · GitHub Archive · 30-day data

Deno vs Node.js Comparison

Deno vs Node.js: TypeScript-first vs massive ecosystem. Real GitHub adoption data, feature parity, and which runtime fits your stack.

denoland/deno Deno Recent public evaluation signal

nodejs/node Node.js Recent public evaluation signal

Deno vs Node.js: which should you choose?

Deno ships with TypeScript out of the box, no node_modules, and built-in security defaults. But Node.js has a decade of ecosystem depth. This comparison uses real GitHub evaluation signals to show which runtime developers are actively testing and contributing to right now.

A higher intent score means more developers are actively testing, forking, and contributing to that project right now. It’s the closest proxy we have to “which is gaining traction” without access to private usage data.

How the comparison works

This tool surfaces real developer evaluation activity from the last 30 days — PRs opened, issues filed, forks, and code pushes from non-team contributors. We run the same GitHub Archive query for both repos simultaneously (results cached 24h per repo), weight PRs (50%), issues (30%), and forks (20%) over stars, filter bots, and produce a 0–100 intent score. See the winner, score gap, and which developers are evaluating.

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