Deno
Open source
Free
Free forever
Overview
Deno is a modern runtime for JavaScript TypeScript and WebAssembly built on the V8 engine and Rust. It provides a secure by default environment with built in tooling such as a test runner formatter and package management enabling developers to build scalable applications without external dependencies.
Key features
- Native TypeScript support
- Secure by default permissions
- Built in tooling and standard library
- Node and npm compatibility