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HazelJS

The next generation JavaScript runtime that's blazing fast, secure, and developer-friendly

10x
Faster than Node.js
100%
TypeScript Support
1k+
Early Adopters
24/7
Community Support

Why Choose HazelJS?

Built with modern web development in mind, HazelJS provides everything you need to build fast and secure applications.

Lightning Fast

Built with performance in mind, HazelJS offers unmatched speed for your JavaScript applications.

Modern & Secure

Leverage the latest JavaScript features with built-in security best practices.

Developer Friendly

Excellent developer experience with comprehensive tooling and documentation.

HazelJS Modules

Extend HazelJS with powerful modules for every use case.

hazel-cli

Command-line interface for scaffolding, managing, and deploying HazelJS projects with ease.

swagger

Auto-generate OpenAPI docs and interactive API explorers for your HazelJS backend.

email

Send emails easily from your HazelJS app with built-in templates and provider support.

Latest Blog Posts

Stay up to date with the latest news, tutorials, and updates from the HazelJS team.

API Documentation with HazelJS Swagger Module
General
Author
HazelJS Team
5/10/2025

API Documentation with HazelJS Swagger Module

Learn how to auto-generate OpenAPI docs and interactive explorers for your HazelJS backend.

Read More →
Introducing HazelJS: The Next-Gen JavaScript Runtime
General
Author
HazelJS Team
6/1/2024

Introducing HazelJS: The Next-Gen JavaScript Runtime

Discover the vision and technology behind HazelJS, a blazing fast, secure, and developer-friendly JavaScript runtime.

Read More →
Getting Started with HazelJS CLI
General
Author
HazelJS Team
5/20/2024

Getting Started with HazelJS CLI

A step-by-step guide to using the HazelJS CLI for scaffolding and managing your projects.

Read More →

Write Less, Do More

HazelJS makes it easy to write clean, efficient code with modern JavaScript features and built-in optimizations.

Modern JavaScript

Full support for the latest ECMAScript features and TypeScript.

Built-in Security

Automatic protection against common vulnerabilities and best practices.

Performance Optimized

Advanced JIT compilation and memory management for maximum speed.

// Create a simple HTTP server
import { HazelModule, HazelApp, Controller, Get } from 'hazeljs';

@Controller({ path: '/hello' })
class HelloController {
  @Get()
  hello() {
    return { message: 'Hello, World!' };
  }
}

@HazelModule({
  controllers: [HelloController],
})
class AppModule {}

const app = new HazelApp(AppModule);
app.listen(3000);

Loved by Developers

See what developers are saying about HazelJS

Sarah Chen
Sarah Chen
Senior Developer at TechCorp

HazelJS has transformed how we build our applications. The performance improvements are incredible!

Alex Rodriguez
Alex Rodriguez
CTO at StartupX

The developer experience is unmatched. Everything just works out of the box.

Emma Wilson
Emma Wilson
Full Stack Developer

Security features are built-in, which gives us peace of mind. Highly recommended!

Ready to Get Started?

Join the growing community of HazelJS developers and start building amazing applications today.

AI-First Framework

HazelJS is designed from the ground up for AI-powered development. Build, deploy, and scale intelligent applications with blazing speed and seamless AI integration.

  • Integrate LLMs and generative AI with just a few lines of code
  • Real-time data processing and smart APIs
  • Automate workflows and build intelligent assistants
  • Lightning-fast inference and training with optimized runtime
  • Built-in tools for prompt engineering and model management
Explore AI Features
Coming Soon!
GitHubBitbucket

Faster DeploymentComing Soon

Deploy your HazelJS apps instantly with our upcoming platform. Enjoy seamless integration with GitHub and Bitbucket—just push your code and go live, no config required. Experience the speed and simplicity, but built for HazelJS, with zero friction and full control.

  • One-click deploy from GitHub or Bitbucket
  • Automatic builds, previews, and rollbacks
  • Optimized for HazelJS performance and security
  • Zero-config, zero-downtime, and global edge network

Support Us

HazelJS is open source and community-driven. Your support helps us build a faster, more secure, and more innovative JavaScript future. Become a sponsor and join our journey!

Principal Sponsor

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Gold Sponsors

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Silver Sponsors

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Sponsors & Partners

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Stay in the Loop

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