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Top 23 JavaScript Debugging Projects
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debug
A tiny JavaScript debugging utility modelled after Node.js core's debugging technique. Works in Node.js and web browsers
Project mention: Less is safer: how Obsidian reduces the risk of supply chain attacks | news.ycombinator.com | 2025-09-19 -
Kargo
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action-tmate
Debug your GitHub Actions via SSH by using tmate to get access to the runner system itself.
A lot of the pain of GitHub Actions gets much better using tools like action-tmate: https://github.com/mxschmitt/action-tmate
As soon as I need more than two tries to get some workflow working, I set up a tmate session and debug things using a proper remote shell. It doesn't solve all the pain points, but it makes things a lot better.
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birdseye
Graphical Python debugger which lets you easily view the values of all evaluated expressions
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AppSignal
Monitoring that respects your time & budget. APM, error tracking, and dashboards for modern web apps. Ten-minute setup, transparent flat pricing, and support from engineers who actually use the product.
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NiM
Streamline Your Node.js Debugging Workflow with Chromium (Chrome, Edge, More) DevTools. (by june07)
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dbux
Dbux is an Integrated Debugging Environment (IDbE) and Omniscient Debugger that makes JavaScript application's run-time behavior come alive, visible and interactive.
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claude-code
Transform Claude Code into a complete development platform with AI-powered commands that automate your entire software development workflow. (by PaulDuvall)
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vibe-eyes
description: "An MCP server that enables LLMs to 'see' what's happening in browser-based games and applications through vectorized canvas visualization and debug information.
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Vue3-log-arsenal
An arsenal of logging directives to improve the debugging experience of Vue3 applications
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Project mention: A crash-resistant serial terminal for messy high-speed data | news.ycombinator.com | 2026-01-18
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logitall
logitall is a command-line utility that adds a console.log() to every line of code in your program.
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Project mention: Show HN: Fatal Core Dump – a debugging murder mystery played with GDB | news.ycombinator.com | 2026-03-13
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Chalker
{Chalk Logger for objects} Rainbow JSON Stringifier - Recieves an object as an input and then outputs a JSON Stringify where each nested level is a different colour. Great for debugging.
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debug-buddy-claude
Debug Buddy is a Claude AI-powered Chrome extension that analyzes JavaScript console errors in real time and provides actionable fix suggestions using Claude. Built as a local-first, privacy-respecting developer tool with zero backend dependencies.
Project mention: Show HN: Debug Buddy – A Chrome extension for console errors using Claude | news.ycombinator.com | 2025-12-25 -
mcp-stdio-guard
Catch stdout pollution and handshake failures in MCP stdio servers before clients do.
Project mention: Show HN: MCP-stdio-guard – MCP stdio sanity checks | news.ycombinator.com | 2026-05-16 -
tracepack
Drop-in console.log replacement that automatically attaches user IDs, transaction IDs, and async context to every log—no refactor required.
Project mention: I added userId and transactionId to every console.log without refactoring | dev.to | 2026-01-21 -
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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).
JavaScript Debugging discussion
JavaScript Debugging related posts
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Web3 UI For Simple Smart Contract
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DeviceFarmer/stf: Control and manage Android devices from the browser
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GDB-front end: GDB front end with a browser-based UI
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Beginner’s Guide On Sending Automated Emails With Node.js, Nodemailer, and Cron Jobs
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Tell HN: The popular Chrome extension ModHeader is injecting ads into searches
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Tell HN: Service Workers === Browser Background Tasks
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Hey guys, I wanted to share with you that GDBFrontend v0.11.3-beta is now available! This version includes some crucial bug fixes and enhancements, as well as support for MacOS x86_64. Although, we still need to give it a test run on an x64 MacOS since I only have an M1. 😬
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A note from our sponsor - SaaSHub
www.saashub.com | 16 Sep 2026
Index
What are some of the best open-source Debugging projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | debug | 11,454 |
| 2 | Under-the-hood-ReactJS | 6,775 |
| 3 | stf | 4,557 |
| 4 | action-tmate | 3,581 |
| 5 | gdb-frontend | 3,027 |
| 6 | birdseye | 1,722 |
| 7 | log-process-errors | 469 |
| 8 | windbg_js_scripts | 243 |
| 9 | NiM | 207 |
| 10 | SAML-tracer | 184 |
| 11 | dbux | 169 |
| 12 | debug | 122 |
| 13 | claude-code | 108 |
| 14 | samp-cli | 81 |
| 15 | vibe-eyes | 54 |
| 16 | Vue3-log-arsenal | 37 |
| 17 | 8N1Term | 22 |
| 18 | logitall | 16 |
| 19 | fatal_core_dump | 12 |
| 20 | Chalker | 6 |
| 21 | debug-buddy-claude | 4 |
| 22 | mcp-stdio-guard | 1 |
| 23 | tracepack | 0 |
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