PyFlakes Alternatives

PyFlakes is described as 'A simple program which checks Python source files for errors' and is an app in the development category. There are seven alternatives to PyFlakes for a variety of platforms, including Mac, Windows, Linux, Python and BSD apps. The best PyFlakes alternative is ty, which is both free and Open Source. Other great apps like PyFlakes are Pyrefly, Ruff, PyLint and PyChecker.

More about PyFlakes

PyFlakes alternatives page was last updated Dec 24, 2025

ty
1 like
An extremely fast Python type checker and language server, written in Rust.
Cost / License
Free
Open Source (MIT)
Origin
United States
Platforms
Mac
Linux
Windows
Docker
Python
Is ty a good alternative to PyFlakes?
ty is the most popular Windows, Mac & Linux alternative to PyFlakes.
ty is the most popular Open Source & free alternative to PyFlakes.
ty is Free and Open SourcePyFlakes is also Free and Open Source
Pyrefly
1 like
Pyrefly is a type checker and language server for Python, which provides lightning-fast type checking along with IDE features such as code navigation, semantic highlighting, and code completion. It is available as a command-line tool and a VSCode extension.
16 Pyrefly alternatives
Cost / License
Free
Open Source (MIT)
Origin
United States
Platforms
Python
Visual Studio Code
Linux
Mac
Windows
BSD
Is Pyrefly a good alternative to PyFlakes?
Ruff
1 like
An extremely fast Python linter, written in Rust.
Cost / License
Free
Open Source (MIT)
Origin
United States
Platforms
Mac
Windows
Linux
BSD
Python
Is Ruff a good alternative to PyFlakes?
PyLint
5 likes
A Python source code analyzer which looks for programming errors, it helps to enforce a coding standard and to sniff for some code.
13 PyLint alternatives
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
Python
Is PyLint a good alternative to PyFlakes?
PyChecker
1 like
PyChecker is a tool for finding bugs in Python source code. It finds problems that are typically caught by a compiler for less dynamic languages, like C and C++ and is similar to lint. Because of the dynamic nature of python, some warnings may be incorrect; however, spurious...
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
Is PyChecker a good alternative to PyFlakes?
Pyright
Like
Static type checker for Python.
16 Pyright alternatives
Cost / License
Free
Open Source
Origin
United States
Platforms
Mac
Windows
Linux
Python
Is Pyright a good alternative to PyFlakes?
flake8
Like
Flake8 is a wrapper around PyFlakes, pep8 and Ned Batchelder's McCabe script and displays the warnings in a per-file, merged output.
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
Is flake8 a good alternative to PyFlakes?