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Top 23 Python Debugging Projects
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mitmproxy
An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.
Project mention: How to audit what your IDE extension actually sends to the cloud | dev.to | 2026-05-22mitmproxy is the gold standard here. It's free, open source, and Python-scriptable.
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httpie
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more. (by httpie)
httpie is easier to read than curl when testing APIs manually.
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Project mention: Week 1 — My First Open-Source Contribution (Hacktoberfest 2025) | dev.to | 2025-10-13
After registering on Hacktoberfest, I forked the repository, cloned it locally, and created a new branch using git checkout -b issue-3270-robust-dprintf. Since I use macOS, I installed Determinate Nix to emulate a Linux-like environment. Once inside the shell, I installed dependencies with python -m pip install -e ., which set up the project for local development.
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Project mention: Ask HN: Why is Claude so horrible? Are they paying people to glaze it on X? | news.ycombinator.com | 2026-02-13
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gef
GEF (GDB Enhanced Features) - a modern experience for GDB with advanced debugging capabilities for exploit devs & reverse engineers on Linux
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I often use [snoop](https://github.com/alexmojaki/snoop) because I like the features and output formatting, but it doesn't support async. I have found [ASnooper](https://github.com/LL-Ling/ASnooper), but it only supports async. I'd like to add ASnooper's async feature to snoop.
I'm thinking of creating a project that imports both, and patches the relevant parts of snoop with the async functionality from ASnooper. I have some notes from looking into the snoop code:
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ice
Interactive Composition Explorer: a debugger for compositional language model programs (by oughtinc)
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watchpoints
watchpoints is an easy-to-use, intuitive variable/object monitor tool for python that behaves similar to watchpoints in gdb.
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hydrafw
HydraBus HydraFW official firmware for open source multi-tool for anyone interested in learning/developping/debugging/hacking/Penetration Testing for basic or advanced embedded hardware
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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).
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Week 1 — My First Open-Source Contribution (Hacktoberfest 2025)
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source Debugging projects in Python? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | mitmproxy | 43,894 |
| 2 | httpie | 38,198 |
| 3 | pwndbg | 10,547 |
| 4 | icecream | 10,065 |
| 5 | PlatformIO | 9,296 |
| 6 | gef | 8,206 |
| 7 | viztracer | 7,665 |
| 8 | Cyberbrain | 2,542 |
| 9 | pyelftools | 2,248 |
| 10 | snoop | 1,456 |
| 11 | the-art-of-debugging | 1,387 |
| 12 | stackprinter | 1,301 |
| 13 | best-of-python-dev | 1,270 |
| 14 | web-eval-agent | 1,240 |
| 15 | hunter | 869 |
| 16 | like-dbg | 771 |
| 17 | coredumpy | 758 |
| 18 | dd-trace-py | 642 |
| 19 | ice | 568 |
| 20 | watchpoints | 555 |
| 21 | hydrafw | 437 |
| 22 | manhole | 401 |
| 23 | west | 342 |
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