JavaScript ECMAScript

Open-source JavaScript projects categorized as ECMAScript

Top 20 JavaScript ECMAScript Projects

  1. Standard

    🌟 JavaScript Style Guide, with linter & automatic code fixer

    Project mention: Mastering Code Quality: Setting Up ESLint with Standard JS in TypeScript Projects | dev.to | 2024-05-05

    Sorry, I've gone too far. I'm not here to persuade you to use Standard JS. My intention is to provide information and guidance on configuring JavaScript Standard Style for your team, should you agree with me or have other reasons to choose it.

  2. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

    CodeRabbit logo
  3. ESLint

    Find and fix problems in your JavaScript code.

    Project mention: 30 Best Free Tools for Frontend Developers in 2025 | dev.to | 2025-03-01

    Website: eslint.org

  4. eslint-plugin-react

    React-specific linting rules for ESLint

    Project mention: 利用 Node.js Profiler 改善程式效能 | dev.to | 2025-02-05

    [Refactor]: improve performance for detecting function components

  5. es6-shim

    ECMAScript 6 compatibility shims for legacy JS engines

  6. neo

    The application worker driven frontend framework (by neomjs)

    Project mention: Neo.mjs: A novel framework for high-performance web applications. | dev.to | 2024-10-01

    References: Neo.mjs Github Web Workers in Modern Web Apps

  7. escodegen

    ECMAScript code generator

  8. eslint-plugin-node

    Additional ESLint's rules for Node.js

  9. Nutrient

    Nutrient – The #1 PDF SDK Library, trusted by 10K+ developers. Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.

    Nutrient logo
  10. estraverse

    ECMAScript JS AST traversal functions

  11. ECMAScript-features

    ECMAScript features cheatsheet

  12. esquery

    ECMAScript AST query library.

  13. js-tokens

    Tiny JavaScript tokenizer.

  14. markdown

    Lint JavaScript code blocks in Markdown documents (by eslint)

  15. snuggsi

    snuggsi ツ - Easy Custom Elements in ~1kB

  16. kitsu

    🦊 A simple, lightweight & framework agnostic JSON:API client (by wopian)

    Project mention: Client-first RSC: A scalable solution for data aggregation | dev.to | 2024-05-19

    kitsu

  17. test262.fyi

    Daily runner of test262 for many engines

    Project mention: Welcome to Ladybird, a independent web browser | news.ycombinator.com | 2025-02-27
  18. javascript-invat-eu-inveti-si-tu

    Această colecție este pentru cei interesați de o resursă deschisă dedicată înțelegerii JavaScript.

  19. Array.prototype.at

    An ES-spec-compliant (proposed) `Array.prototype.at`shim/polyfill/replacement that works as far down as ES3.

  20. error-cause

    An ES-spec-compliant shim/polyfill/replacement for the `.cause` property on all Error types that works as far down as ES3

  21. select-beauty

    JQuery Select Package for Make Select Option more Beauty

  22. replika-diary-export

    Export your entire Replika diary including all images.

  23. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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JavaScript ECMAScript related posts

  • 利用 Node.js Profiler 改善程式效能

    1 project | dev.to | 5 Feb 2025
  • Fresh Start: Unlocking New Beginnings with GitHub Copilot

    5 projects | dev.to | 10 Jan 2025
  • Code Linting

    1 project | dev.to | 21 Dec 2024
  • JavaScript engines on the official ECMAScript conformance test suite

    1 project | news.ycombinator.com | 8 Dec 2024
  • HTML Form Validation is heavily underused

    3 projects | news.ycombinator.com | 28 Oct 2024
  • Neo.mjs: A novel framework for high-performance web applications.

    1 project | dev.to | 1 Oct 2024
  • Add ESLint To A React Project

    1 project | dev.to | 29 Jul 2024
  • A note from our sponsor - SaaSHub
    www.saashub.com | 14 Mar 2025
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

What are some of the best open-source ECMAScript projects in JavaScript? This list will help you:

# Project Stars
1 Standard 29,282
2 ESLint 25,685
3 eslint-plugin-react 9,115
4 es6-shim 3,116
5 neo 2,921
6 escodegen 2,673
7 eslint-plugin-node 964
8 estraverse 947
9 ECMAScript-features 909
10 esquery 840
11 js-tokens 515
12 markdown 432
13 snuggsi 397
14 kitsu 276
15 test262.fyi 93
16 javascript-invat-eu-inveti-si-tu 62
17 Array.prototype.at 30
18 error-cause 18
19 select-beauty 9
20 replika-diary-export 7

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