Best JavaScript Runtime Products in 2025

Bun is an all-in-one JavaScript runtime & toolkit designed for speed, complete with a bundler, test runner, and Node.js-compatible package manager.

Key Bun.sh features:

Speed Built-in Tools TypeScript Support Compatibility

Open Source

Ship features safely. Manage access at any level.

Key Fecusio features:

Feature Management Flag Overrides Gradual Rollouts One-click Rollbacks

Try for free freemium

A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.

Key Deno features:

Security Built-in Tooling Modern JavaScript/TypeScript Simplified Module Management

Open Source

Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications.

Key Node.js features:

Asynchronous and Event-Driven JavaScript Everywhere Large Community and NPM High Performance

Installation instructions for the Windows Subsystem for Linux on Windows 10.

Key SSH of Windows' Linux subsystem features:

Native Integration Resource Efficiency Access to Linux Tools Improved Workflow

Zig is a general-purpose programming language designed for robustness, optimality, and maintainability.

Key Zig features:

Performance Safety Interoperability Build System

Open Source

Learn in an interactive environment.

The Microsoft Edge WebView2 control allows you to embed web technologies (HTML, CSS, and JavaScript) in your native Windows apps.

Key Microsoft Edge WebView2 features:

Integration with Edge Evergreen and Fixed Versions Consistent Web Experience Improved Security

Simple REST APIs for Java and Kotlin.

Key Javalin features:

Lightweight Simplicity Kotlin & Java Support WebSocket Support

Open Source

Fast, modern, and practical utility library for FP in TypeScript.

Key ts-belt features:

Type Safety Functional Programming Paradigm Utility Functions Immutable APIs

Fresh is a next generation web framework, built for speed, reliability, and simplicity.

Key Fresh Framework features:

Performance TypeScript Support Modern JavaScript No Build Step

Open Source

A small framework for server-rendered universal JavaScript apps.

Key Next.js features:

Server-Side Rendering (SSR) Static Site Generation (SSG) API Routes File-Based Routing

Open Source

Yarn is a package manager for your code.

Key Yarn features:

Speed Reliability Security Offline Mode

Open Source

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple.

Key ExpressJS features:

Fast Setup Middleware Support Extensibility Performance

Open Source