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

Flagsmith lets you manage feature flags and remote config across web, mobile and server side applications. Deliver true Continuous Integration. Get builds out faster. Control who has access to new features. We're Open Source.

Key Flagsmith features:

Feature Flags Remote Config A/B/X Testing & Optimization Organization Management

Try for free Open Source 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.

Yarn is a package manager for your code.

Key Yarn features:

Speed Reliability Security Offline Mode

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

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 powerful, feature packed, fully configurable IDE specifically designed for Windows developers.

Key Zeus IDE features:

Customization Language Support Macro Scripting Integrated Tools

The easiest way to run PostgreSQL on the Mac.

Key Postgres.app features:

Ease of Installation Integrated Environment Regular Updates Self-Contained

Open Source

A High-Performance C++ Editor.