JavaScript Development tools

Open-source JavaScript projects categorized as Development tools
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JavaScript chrome-extension Webpack Cursor Build system
JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor
Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build dynamic JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.
surveyjs.io
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Top 5 JavaScript Development tool Projects

Development tools

  1. mailslurper

    Local, web-based mail server application. Slurp mails into oblivion!

  2. Civic Auth

    Web2 & Web3 login in a simple SDK. Drop Civic Auth into your app with native TS/JS support. Email login, SSO options, embedded wallets, and full session management. Minimal config. Deploy in under 5 minutes.

    Civic Auth logo

  3. main

    Node.js mock server running live, interactive mocks in place of real APIs (by mocks-server)

  4. gulp-pug-starter

    Frontend development with pleasure. Pug + SCSS version

  5. Module Linker

    browse modules by clicking directly on "import" statements on GitHub

  6. vibe-annotations

    AI-powered annotations for localhost development. Create visual feedback on your apps and let AI coding agents automatically implement fixes via MCP integration.

    Project mention: Drop visual annotations for your coding agent | news.ycombinator.com | 2025-08-13

  7. SurveyJS

    JavaScript Form Builder with No-Code UI & Built-In JSON Schema Editor. Add the SurveyJS white-label form builder to your JavaScript app (React/Angular/Vue3). Build dynamic JSON forms without coding. Fully customizable, works with any backend, perfect for data-heavy apps. Learn more.

    SurveyJS 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 Development tools related posts

  • Task Runners for Projects

    3 projects | dev.to | 26 Dec 2024

  • Replit Mobile App

    7 projects | news.ycombinator.com | 19 Oct 2022

  • A browser extension that lets you click on imported modules on GitHub

    1 project | /r/CKsTechNews | 2 Oct 2021

  • Show HN: Time Travel Debugger

    10 projects | news.ycombinator.com | 15 Sep 2021

  • Why I Prefer Makefiles Over package.json Scripts for Node.js Projects

    3 projects | /r/programming | 30 Apr 2021

  • Show HN: Skruv – No-dependency, no-build, small JavaScript framework

    10 projects | news.ycombinator.com | 7 Apr 2021
  • A note from our sponsor - Sevalla
    sevalla.com | 31 Aug 2025
    Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more! Learn more →

Index

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

# Project Stars
1 mailslurper 1,457
2 main 302
3 gulp-pug-starter 295
4 Module Linker 253
5 vibe-annotations 22

Sponsored
Web2 & Web3 login in a simple SDK
Drop Civic Auth into your app with native TS/JS support. Email login, SSO options, embedded wallets, and full session management. Minimal config. Deploy in under 5 minutes.
www.civic.com

Did you know that JavaScript is
the 3rd most popular programming language
based on number of references?

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