PyLint
PyFlakes
pre-commit by Yelp
mypy
PEP8
CppDepend
ruff
A wrapper around Python tools to check the style and quality of Python code.
GitHub City
GitHubTree
OpenSauced
GitHub Metrics
GitHub Visualizer
Swimm
Codemap
Turn any GitHub repository into an interactive diagram for visualization.

Which is more popular?
Based on our record, flake8 seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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GitDiagram
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| Website | gitlab.com | gitdiagram.com |
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What each product offers, as listed by its team.
Possible disadvantages
No features have been listed yet.
Walkthroughs and reviews on video.
Linters and fixers: never worry about code formatting again (Vim + Ale + Flake8 & Black for Python)
More videos
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How often each product is chosen within a category, 0–100% relative to the other.
Share your experience with using flake8 and GitDiagram. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.
Repos: - repo: https://github.com/pre-commit/pre-commit-hooks rev: v4.3.0 hooks: - id: trailing-whitespace - id: check-merge-conflict - id: check-yaml args: [--unsafe] - id: check-json -... - Source: dev.to / almost 4 years ago
I just ran `pre-commit autoupdate`. It's asking for a username for https://gitlab.com/pycqa/flake8. :-(. Source: almost 4 years ago
Flake8 plugin for a smart line length validation. Source: about 4 years ago
Tracking GitDiagram since Oct 2026.
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A simple program which checks Python source files for errors.
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A framework for managing and maintaining multi-language pre-commit hooks
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Optimize Your Open Source Project with Deep Insights
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