PyFlakes

A simple program which checks Python source files for errors.

21 Alternatives To PyFlakes

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Codacy

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

Cortana

Cortana is your personal assistant.

Coveralls

Coveralls is a code coverage history and tracking tool that tests coverage reports and statistics for engineering teams.
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Feram

Feram finds bugs in your merge requests and suggests patches to fix them.
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Hound

Your code, always in style. Hound comments on style violations in GitHub pull requests, allowing you and your team to better review and maintain a clean codebase.

Phabricator

Phacility - Phabricator
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PyCharm

Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more…

PyChecker

Python source code checking tool.

PyLint

Pylint is a Python source code analyzer which looks for programming errors.

QuantifiedCode

The first platform for automated code review AND repair
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ReSharper

ReSharper is a productivity tool for visual studio that provides tools and features to help you manage your code.
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Scrutinizer

Powerful tools for measuring and improving code quality for open- and closed-source development projects.

SideCI

SideCI is static code analysis Continous Integration service. Driven by GitHub Pull Requests, Analyze And Comment Violation Automatically. Supports Ruby, PHP, and JavaScript.
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SonarQube

SonarQube is code review and management software. The software is developed by SonarSource, which was founded in 2008 by Freddy Mallet, Simon Brandhof and Olivier Gaudin. Read more about SonarQube.
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Source-Navigator NG

Source-Navigator NG is a source code analysis tool.

Understand

Combines a powerful Code Editor together with an impressive array of static analysis tools that will change the way you work with code.

Upsource

Upsource provides unified access to all your projects stored in Git, Perforce, Mercurial or Subversion.

Veracode Application Security Platform

Veracode’s application security software products are simpler and more scalable to increase the resiliency of your application infrastructure.

codebeat

Automated code review for Swift

mypy

Mypy is an experimental optional static type checker for Python that aims to combine the benefits of dynamic (or “duck”) typing and static typing.