peggyjs/peggy
Peggy: Parser generator for JavaScript
⚡ Executive Summary & Quick Facts
Authoritative Sourcepeggy is peggy is an open-source project written in JavaScript: Peggy: Parser generator for JavaScript..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), peggyjs/peggy has accumulated 1,185 GitHub stars and 79 forks. It is written in JavaScript, licensed under MIT, and ranks #6,951 globally. It is actively maintained with the latest commit recorded on Oct 20, 2026.”
| Repository | peggyjs/peggy ↗ |
|---|---|
| Primary Category | parser |
| Language & Stack | JavaScript |
| Software License | MIT |
| Community Traction | ★ 1.2K stars · ⑂ 79 forks · #6,951 globally |
| Maintenance | ● Active (Last commit: Oct 20, 2026) · 33 open issues |
| Target Audience | Developers and engineering teams building with JavaScript, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, peggy is actively maintained. Continuous telemetry recorded the last code commit on Oct 20, 2026 (13 days ago). Supported by 1,185 stars and 79 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+30
STARS · LAST 30 DAYS
1
PER DAY
#570
MOST-STARRED JavaScript
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +30 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +3 | +10 |
peggy gained 30 stars in the last 30 days, about 1 a day, and now has 1.2K. It is about 6 years old and has averaged roughly 198 stars a year. It ranks #570 among JavaScript repositories and #6,951 across all languages on GitHubRepo.
Trending Record
20
DAYS ON TRENDING
#4797
BEST RANK
Oct 12, 2026
FIRST APPEARANCE
Active
STATUS TODAY
peggy has maintained a continuous presence across global trending indexes, peaking at #4797. Below is the 30-day activity profile:
💡 Overview
peggy is an open-source project written in JavaScript: Peggy: Parser generator for JavaScript.
Engineered for speed, consistency, and developer ease, it solves common hurdles in parser, peg, pegjs. 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
$ npm install peggy⚙ 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
peggy 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 peggy 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 peggy using your package manager: `npm install peggy`
Initialize your project workspace or configuration file for peggy.
Import peggy into your codebase or invoke it directly from your terminal.
Execute your test suite or run `peggy --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 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
peggyjs/peggy is currently ranked #6,951 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #6,946 | oneclick/rubyinstaller | Ruby | ★ 1.2K | Compare ↗ |
| #6,946 | laminas/laminas-zendframework-bridge | PHP | ★ 1.2K | Compare ↗ |
| #6,946 | Fabulously-Optimized/fabulously-optimized | Python | ★ 1.2K | Compare ↗ |
| #6,946 | mod-playerbots/mod-playerbots | C++ | ★ 1.2K | Compare ↗ |
| #6,946 | bodaay/HuggingFaceModelDownloader | Go | ★ 1.2K | Compare ↗ |
| #6,951 | peggyjs/peggy This Project | JavaScript | ★ 1.2K | |
| #6,951 | ptt/pttbbs | C | ★ 1.2K | Compare ↗ |
| #6,951 | angr/angr-management | Python | ★ 1.2K | Compare ↗ |
| #6,951 | cunnie/sslip.io | Go | ★ 1.2K | Compare ↗ |
| #6,951 | REditorSupport/vscode-R | TypeScript | ★ 1.2K | Compare ↗ |
| #6,951 | sumimakito/Mac-Duo | Swift | ★ 1.2K | Compare ↗ |
Frequently Asked Questions
What does peggy do? +
Peggy: Parser generator for JavaScript
Is peggy actively maintained in 2026? +
Yes, peggy is actively maintained. The latest code push was recorded on Oct 20, 2026 (13 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 1,185 stars and 33 open issues.
What language is peggy written in? +
The primary language is JavaScript. Topics include: parser, peg, pegjs.
How many stars does peggy have? +
peggy has 1,185 stars and 79 forks on GitHub.
How does peggy rank among GitHub repositories? +
With 1,185 stars, peggyjs/peggy is ranked #6,951 globally across all repositories tracked on GitHubRepo and #570 among JavaScript projects.
What license is peggy distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
