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sindresorhus/emittery

Simple and modern async event emitter

JavaScript ◇ async MIT

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★2.1KSTARS

⑂83FORKS

!0ISSUES

🏆#1,843GLOBAL RANK

🔥3DAYS TRENDING

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Star History

Continuous Observations

Interactive star growth chart for sindresorhus/emittery

Momentum

+52

STARS · LAST 30 DAYS

PER DAY

#117

MOST-STARRED JavaScript

Window	7 days	30 days	90 days
Stars gained	+14	+52	+180
Per day	2	2	2
Forks gained	+1	+3	+10

emittery gained 52 stars in the last 30 days, about 2 a day, and now has 2.1K. It is about 9 years old and has averaged roughly 230 stars a year. It ranks #117 among JavaScript repositories and #1,843 across all languages on GitHubRepo.

Trending Record

emittery has maintained a continuous presence across global trending indexes, peaking at #1698. Below is the 30-day activity profile:

💡 Overview

emittery is an open-source project written in JavaScript: Simple and modern async event emitter.

Engineered for speed, consistency, and developer ease, it solves common hurdles in async, emitter, event-emitter. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

Optimized execution pipeline written in JavaScript for predictable speed.

Zero-friction configuration with comprehensive sensible defaults out of the box.

Cross-platform runtime support across Linux, macOS, and Windows environments.

Strong typing and modular architecture designed for easy extension and maintainability.

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal

$ npm install emittery

$ npm install emittery # or: pnpm add emittery

> npm install emittery

⚙ System Requirements

Platforms

• macOS
• Linux
• Windows

Runtime & Dependencies

Node.js >= 18 or modern Evergreen browser

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

emittery coordinates its core functionality through a modular JavaScript pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Production System Integration

Embed emittery into JavaScript backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open MIT license.

🚀 Getting Started

Install emittery using your package manager: `npm install emittery`

Initialize your project workspace or configuration file for emittery.

Import emittery into your codebase or invoke it directly from your terminal.

Execute your test suite or run `emittery --help` to verify successful setup.

👍 Strengths

Active community backing with 2,074 GitHub stars and verified adoption.

Permissive open-source distribution under the MIT license.

Built in JavaScript for high execution speed and developer familiarity.

Cross-platform compatibility across modern Linux, macOS, and Windows environments.

Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with JavaScript and modern CLI workflows.

Ecosystem extensions may require manual configuration depending on environment constraints.

Active development roadmap means breaking API changes may occur across major versions.

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👥 Who Should Use This

Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

sindresorhus/emittery is currently ranked #1,843 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

Rank	Repository	Language	Stars	Action
#1,838	savonrb/savon	Ruby	★ 2.1K	Compare ↗
#1,839	Bouni/kicad-jlcpcb-tools	Python	★ 2.1K	Compare ↗
#1,839	SpecialKO/SpecialK	C++	★ 2.1K	Compare ↗
#1,841	cloudfoundry/bosh	Ruby	★ 2.1K	Compare ↗
#1,842	stefankueng/grepWin	C++	★ 2.1K	Compare ↗
#1,843	sindresorhus/emittery This Project	JavaScript	★ 2.1K
#1,844	PlakarKorp/plakar	Go	★ 2.1K	Compare ↗
#1,845	pixelspark/sushitrain	Swift	★ 2.1K	Compare ↗
#1,846	openpubkey/opkssh	Go	★ 2.1K	Compare ↗
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Frequently Asked Questions

What does emittery do? +

Simple and modern async event emitter

What language is emittery written in? +

The primary language is JavaScript. Topics include: async, emitter, event-emitter, event-listener, javascript.

Is emittery actively maintained? +

Yes, the last recorded push was on Sep 26, 2026 with 0 open issues being tracked.

How many stars does emittery have? +

emittery has 2,074 stars and 83 forks on GitHub.

How does emittery rank among GitHub repositories? +

With 2,074 stars, sindresorhus/emittery is ranked #1,843 globally across all repositories tracked on GitHubRepo and #117 among JavaScript projects.

What license is emittery distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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LinkedIn

Why emittery is replacing paid subscriptions for engineering teams

Stop paying $50+/month for locked SaaS tools.

Over 2,074 developers have starred sindresorhus/emittery, an impressive JavaScript open-source project designed to Simple and modern async event emitter.

Key Engineering Advantages:
• 100% Local-First: Complete data privacy with zero tracking or telemetry.
• Zero Subscription Costs: No paywalls, per-seat fees, or API markups.
• Complete Customization: Native open-source architecture you can fork, inspect, and deploy anywhere.
• Proven Adoption: 2,074 GitHub stars and 83 forks.

If you're looking to streamline your engineering workflows without ballooning software expenses, this is worth checking out.

👉 Full star velocity and architectural report: https://githubrepo.cloud/repo/sindresorhus/emittery
⭐ GitHub Repository: https://github.com/sindresorhus/emittery

#OpenSource #SoftwareEngineering #DeveloperTools #Tech #Programming #JavaScript

🤖

Reddit (r/opensource, r/webdev, r/selfhosted)

Show r/opensource: emittery – A free, self-hosted tool that lets you Simple and modern async event emitter

Hey everyone,

I wanted to share an interesting open-source project called **emittery** (https://github.com/sindresorhus/emittery) that has been picking up heavy momentum lately (2,074 stars).

### What problem does it solve?
Many existing tools in this domain require expensive cloud plans or store your data on third-party servers. emittery was built with a local-first philosophy, allowing developers to Simple and modern async event emitter without recurring subscription costs or privacy compromises.

### Tech Stack & Details:
- **Language:** JavaScript
- **License:** MIT
- **GitHub:** [sindresorhus/emittery](https://github.com/sindresorhus/emittery)
- **Live Star Momentum Tracker:** [https://githubrepo.cloud/repo/sindresorhus/emittery](https://githubrepo.cloud/repo/sindresorhus/emittery)

Has anyone here tested this in production or integrated it into existing pipelines? Would love to hear your experience and feedback!

🟧

Hacker News (Show HN)

Show HN: emittery – Simple and modern async event emitter

Hi HN,

emittery is an open-source JavaScript project designed to Simple and modern async event emitter.

Rather than relying on closed cloud endpoints, it executes locally on your own machine, providing predictable latency, total privacy, and full control.

Repository: https://github.com/sindresorhus/emittery
Documentation & Metrics: https://githubrepo.cloud/repo/sindresorhus/emittery

Feedback and PRs are welcome.

✍️

Dev.to / Hashnode Tags: opensource, javascript, devtools, webdev

This GitHub repo replaces a $50 a month tool! Stop paying expensive software subscriptions. Meet emittery (2,074 GitHub Stars)

---
title: This GitHub repo replaces a $50 a month tool! Stop paying expensive software subscriptions. Meet emittery
published: true
tags: opensource, javascript, devtools, programming
---

## Stop Paying Software Subscriptions For This

Finding high-quality, production-ready open source alternatives to expensive proprietary software can save engineering teams thousands of dollars every year.

Today, we're looking at **[sindresorhus/emittery](https://github.com/sindresorhus/emittery)**, a rapidly rising repository with **2,074 GitHub stars** and **83 forks**.

### What is emittery?

> Simple and modern async event emitter

Written in **JavaScript**, emittery runs directly on your local workstation or private server, keeping your data secure and eliminating recurring license fees.

### Key Highlights
- **High Performance:** Lightweight, reliable, and built in JavaScript.
- **Privacy & Security:** Complete ownership of your environment and data.
- **Growing Momentum:** Ranked **#1,843** globally across tracked repositories on [GitHubRepo](https://githubrepo.cloud/repo/sindresorhus/emittery).

### Quick Start
To get started locally:

```bash
git clone https://github.com/sindresorhus/emittery.git
cd emittery
```

Check out the full repository and star history analytics here:
- **GitHub:** [sindresorhus/emittery](https://github.com/sindresorhus/emittery)
- **Star Velocity Tracker:** [emittery on GitHubRepo.cloud](https://githubrepo.cloud/repo/sindresorhus/emittery)

𝕏

X / Twitter Communities

Thread / Community Post for emittery

Developers are sleeping on this GitHub repo 👇

sindresorhus/emittery (2,074 ⭐) replaces expensive monthly software subscriptions with 100% free open source code.

⚡ What it does: Simple and modern async event emitter
💻 Built with: JavaScript
🔒 100% local execution & privacy

Check live star velocity and benchmarks:
https://githubrepo.cloud/repo/sindresorhus/emittery

#opensource #developer #coding #tech #programming

🧵

Threads Topics

Topic Discussion: Open Source & Developer Tools

This GitHub repo replaces a $50/month tool! 🚀

If you want to save hours of manual work and stop paying subscriptions, check out sindresorhus/emittery.

It already has over 2,074 stars and lets you Simple and modern async event emitter.

Drop a comment if you've tried it, or check the full star momentum report:
https://githubrepo.cloud/repo/sindresorhus/emittery

From our network

sindresorhus/emittery

Star History

Momentum

Trending Record

💡 Overview

⚡ Key Features

📥 Installation

⚙ System Requirements

Platforms

Runtime & Dependencies

Architecture

🧠 How It Works

🎯 Production Use Cases

Production System Integration

CI/CD Automated Pipelines

Developer Tooling & Workflows

Open Source Extension

🚀 Getting Started

👍 Strengths

⚠️ Considerations

⇄ Alternatives & Direct Competitors

👥 Who Should Use This

🏆 Nearby in the Rankings

Frequently Asked Questions

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