JavaScript developer-tools

Open-source JavaScript projects categorized as developer-tools

Top 23 JavaScript developer-tool Projects

developer-tools
  1. lighthouse ci action

    Automated auditing, performance metrics, and best practices for the web.

    Project mention: SEO for Developers: How to Make Your Website Visible (With Code Examples & Resources) | dev.to | 2025-05-22

    Lighthouse (Chrome DevTools) β€” audit SEO and performance

  2. InfluxDB

    InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.

    InfluxDB logo
  3. responsively-app

    A modified web browser that helps in responsive web development. A web developer's must have dev-tool.

    Project mention: Best Free Tools for Frontend Developers to Speed Up Workflow | dev.to | 2025-05-31

    πŸ” 5. Responsively App Testing responsiveness on multiple devices? Responsively App is an open-source tool that lets you preview your site across devices side-by-side.

  4. d2

    D2 is a modern diagram scripting language that turns text to diagrams.

    Project mention: Mermaid: Generation of diagrams like flowcharts or sequence diagrams from text | news.ycombinator.com | 2025-05-21

    They were working on a wasm version some time ago I believe [0]. Not sure how usable this is insofar, but it may be of interest.

    [0]: https://github.com/terrastruct/d2/pull/436/files

  5. eruda

    Console for mobile browsers

    Project mention: Telegram mini-app development and testing specifics: from initialisation to launch | dev.to | 2025-03-11

    Eruda documentation: https://github.com/liriliri/eruda

  6. reactivesearch

    Search UI components for React and Vue

  7. heynote

    A dedicated scratchpad for developers

    Project mention: Use a Work Journal to Recover Focus Faster and Clarify Your Thoughts | news.ycombinator.com | 2024-07-12

    Heynote was exactly developed for this purpose. Just one big buffer with sections and lots of shortcuts and nice little additional features: https://heynote.com/

  8. cml

    ♾️ CML - Continuous Machine Learning | CI/CD for ML

    Project mention: CML: Continuous Machine Learning CI/CD for ML | news.ycombinator.com | 2024-11-11
  9. SaaSHub

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

    SaaSHub logo
  10. Boop

    A scriptable scratchpad for developers. In slow yet steady progress.

    Project mention: Inside My Workflow | dev.to | 2024-11-17

    2. Boop https://github.com/IvanMathy/Boop

  11. react-proto

    :art: React application prototyping tool for developers and designers :building_construction:

  12. React-Sight

    Visualization tool for React, with support for Fiber, Router (v4), and Redux

  13. workly

    A really simple way to move a function or class to a web worker. πŸ‹οΈβ€β™€οΈβ†’ πŸ˜„

  14. pythagora

    Generate automated tests for your Node.js app via LLMs without developers having to write a single line of code.

    Project mention: The Security Holes AI Always Creates (And How to Spot Them) | dev.to | 2025-06-06

    At Pythagora, we've built security reviews directly into the AI development process. Instead of requiring developers to manually catch these patterns, our platform identifies common security issues as code is generated and suggests fixes automatically.

  15. repo2txt

    Web-based tool converts GitHub repository contents into a single formatted text file

    Project mention: Repo2txt: Web-based tool converts GitHub repo contents into a single text file | news.ycombinator.com | 2024-10-09
  16. solhint

    Solhint is an open-source project to provide a linting utility for Solidity code.

  17. elm-live

    βš‘β€‚A flexible dev server for Elm. Live reload included.

  18. webDevsCom

    :heart_eyes: All kinds of resources for Developers :trident: in one place.

  19. httptoolkit-server

    The backend of HTTP Toolkit

  20. find

    A find-in-page extension for Chrome and Firefox that supports regular expressions.

    Project mention: Find+: Chrome Extension to find in page using REGEX | news.ycombinator.com | 2024-07-17
  21. RESTED

    A REST client for browsers

  22. webgpu_inspector

    Inspection debugger for WebGPU

    Project mention: GPU profiling for WebGPU workloads on Windows with Chrome | news.ycombinator.com | 2024-07-04

    I've been using the webgpu inspector extension[0] and so far it's proving very useful.

    There are some occasional bugs but the author is very responsive on github and quick to fix issues.

    Couldn't get anything useful out of PIX on the other hand.

    - [0]: https://github.com/brendan-duncan/webgpu_inspector

  23. bespoke_automata

    Bespoke Automata is a GUI and deployment pipline for making complex AI agents locally and offline

  24. node-safe

    🀠 Make using Node.js safe again with Deno-like permissions

  25. dep_viz

    A visual tool to help developers understand Elixir recompilation in their projects

  26. 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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  • A note from our sponsor - SaaSHub
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    SaaSHub helps you find the best software and product alternatives Learn more β†’

Index

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

# Project Stars
1 lighthouse ci action 29,095
2 responsively-app 23,475
3 d2 20,757
4 eruda 19,752
5 reactivesearch 4,911
6 heynote 4,522
7 cml 4,107
8 Boop 3,960
9 react-proto 3,464
10 React-Sight 2,869
11 workly 1,880
12 pythagora 1,784
13 repo2txt 1,358
14 solhint 1,081
15 elm-live 1,059
16 webDevsCom 713
17 httptoolkit-server 497
18 find 446
19 RESTED 297
20 webgpu_inspector 237
21 bespoke_automata 220
22 node-safe 210
23 dep_viz 205

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InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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