ty Alternatives

ty is described as 'An extremely fast Python type checker and language server, written in Rust' and is an app. There are more than 10 alternatives to ty for a variety of platforms, including Mac, Windows, Linux, Python and SaaS apps. The best ty alternative is Codacy. It's not free, so if you're looking for a free alternative, you could try Codacy or Pyrefly. Other great apps like ty are PyLint, Coala, PyChecker and PyFlakes.

More about ty

ty alternatives page was last updated Dec 24, 2025

Codacy
25 likes
Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
Cost / License
Free Personal
Open Source
Origin
Portugal
EU
Platforms
Online
Self-Hosted
Software as a Service (SaaS)
+5
Is Codacy a good alternative to ty?
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.
Cost / License
Free
Open Source (MIT)
Origin
United States
Platforms
Python
Visual Studio Code
Linux
Mac
Windows
BSD
Is Pyrefly a good alternative to ty?
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 ty?
P
P
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.
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
Python
P
Is PyLint a good alternative to ty?
Coala
3 likes
Coala provides a unified command-line interface for linting and fixing all your code, regardless of the programming languages you use. https://coala.io/.
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
Python
Is Coala a good alternative to ty?
P
P
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
P
Is PyChecker a good alternative to ty?
P
P
PyFlakes
1 like
A simple program which checks Python source files for errors.
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
P
Is PyFlakes a good alternative to ty?
P
P
PEP8
1 like
pep8 is a tool to check your Python code against some of the style conventions in PEP 8.
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
P
Is PEP8 a good alternative to ty?
PyCodeQual
2 likes
PyCodeQual gives you insights into complexity and bug risks with high accuracy because your code is analyzed with its dependencies installed.
Cost / License
Freemium
Proprietary
Platforms
Software as a Service (SaaS)
Is PyCodeQual a good alternative to ty?
P
P
pyanalyze
Like
Pyanalyze is a semi-static type checker for Python code. Like a static type checker (e.g., mypy or pyright), it detects type errors in your code so bugs can be found before they reach production. Unlike such tools, however, it imports the modules it type checks, enabling...
Cost / License
Free
Open Source (Apache-2.0)
Origin
United States
Platforms
Mac
Windows
Linux
Python
P
Is pyanalyze a good alternative to ty?
P
P
PEP 257
Like
Python PEP 257 docstring style checker.
Cost / License
Free
Open Source
Platforms
Mac
Windows
Linux
P
Is PEP 257 a good alternative to ty?
Pyre - Type Checker
Like
Performant type-checking for python.
Cost / License
Free
Open Source (MIT)
Origin
United States
Platforms
Mac
Windows
Linux
Is Pyre - Type Checker a good alternative to ty?