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Top 23 JavaScript developer-tool Projects
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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
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InfluxDB
InfluxDB β 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.
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responsively-app
A modified web browser that helps in responsive web development. A web developer's must have dev-tool.
π 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.
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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
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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
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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/
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2. Boop https://github.com/IvanMathy/Boop
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react-proto
:art: React application prototyping tool for developers and designers :building_construction:
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pythagora
Generate automated tests for your Node.js app via LLMs without developers having to write a single line of code.
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.
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Project mention: Repo2txt: Web-based tool converts GitHub repo contents into a single text file | news.ycombinator.com | 2024-10-09
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Project mention: Find+: Chrome Extension to find in page using REGEX | news.ycombinator.com | 2024-07-17
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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
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bespoke_automata
Bespoke Automata is a GUI and deployment pipline for making complex AI agents locally and offline
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JavaScript developer-tools discussion
JavaScript developer-tools related posts
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The Security Holes AI Always Creates (And How to Spot Them)
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I snapped after another WordPress updateβso I built BlogposterCMS (modular, event-driven, open source)
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5 Prompts That Make Any AI App More Secure
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A Practical Guide to Debugging AI-Built Applications
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Will Your AI Generated App Break in Production? 3 Ways to Test It
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Automatically generate beautiful haikus for your GitHub README
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Automatically generate beautiful haikus for your GitHub README
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A note from our sponsor - SaaSHub
www.saashub.com | 23 Jun 2025
Index
What are some of the best open-source developer-tool projects in JavaScript? This list will help you:
# | Project | Stars |
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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 |