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WebAssembly/binaryen

Optimizer and compiler/toolchain library for WebAssembly

WebAssembly ◇ c-plus-plus Apache-2.0
★8.6KSTARS
⑂893FORKS
!578ISSUES
🏆#1,099GLOBAL RANK
🔥2DAYS TRENDING
🚀
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Momentum

+216

STARS · LAST 30 DAYS

7

PER DAY

#1

MOST-STARRED WebAssembly

Window7 days30 days90 days
Stars gained+49+216+630
Per day777
Forks gained+4+18+45

binaryen gained 216 stars in the last 30 days, about 7 a day, and now has 8.6K. It is about 11 years old and has averaged roughly 786 stars a year. It ranks #1 among WebAssembly repositories and #1,099 across all languages on GitHubRepo.

Trending Record

binaryen has maintained a continuous presence across global trending indexes, peaking at #2846. Below is the 30-day activity profile:

💡 Overview

binaryen is an open-source project written in WebAssembly: Optimizer and compiler/toolchain library for WebAssembly.

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

⚡ Key Features

1

Optimized execution pipeline written in WebAssembly for predictable speed.

2

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

3

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

4

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

5

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

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/WebAssembly/binaryen.git
cd binaryen

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

WebAssembly environment and standard tooling

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

binaryen coordinates its core functionality through a modular WebAssembly 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 binaryen into WebAssembly 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 Apache-2.0 license.

🚀 Getting Started

1

Install binaryen using your package manager: `git clone https://github.com/WebAssembly/binaryen.git`

2

Initialize your project workspace or configuration file for binaryen.

3

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

4

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

👍 Strengths

Active community backing with 8,649 GitHub stars and verified adoption.
Permissive open-source distribution under the Apache-2.0 license.
Built in WebAssembly 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 WebAssembly 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.

⇄ Alternatives & Direct Competitors

👥 Who Should Use This

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

🏆 Nearby in the Rankings

WebAssembly/binaryen is currently ranked #1,099 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#1,094 apache/beam Java ★ 8.7K Compare ↗
#1,095 kean/Nuke Swift ★ 8.7K Compare ↗
#1,096 groue/GRDB.swift Swift ★ 8.7K Compare ↗
#1,097 kickstarter/ios-oss Swift ★ 8.7K Compare ↗
#1,098 tw93/MiaoYan Swift ★ 8.7K Compare ↗
#1,099 WebAssembly/binaryen This Project WebAssembly ★ 8.6K
#1,100 GoogleChrome/web-vitals JavaScript ★ 8.6K Compare ↗
#1,101 symfony/http-foundation PHP ★ 8.6K Compare ↗
#1,102 strands-agents/harness-sdk Python ★ 8.6K Compare ↗
#1,103 stamparm/maltrail Python ★ 8.6K Compare ↗
#1,104 ellite/Wallos PHP ★ 8.6K Compare ↗

Frequently Asked Questions

What does binaryen do? +

Optimizer and compiler/toolchain library for WebAssembly

What language is binaryen written in? +

The primary language is WebAssembly. Topics include: c-plus-plus, compilers, emscripten, hacktoberfest, webassembly.

Is binaryen actively maintained? +

Yes, the last recorded push was on Oct 2, 2026 with 578 open issues being tracked.

How many stars does binaryen have? +

binaryen has 8,649 stars and 893 forks on GitHub.

How does binaryen rank among GitHub repositories? +

With 8,649 stars, WebAssembly/binaryen is ranked #1,099 globally across all repositories tracked on GitHubRepo and #1 among WebAssembly projects.

What license is binaryen distributed under? +

The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.

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