Codacy - Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
Pyright - Static type checker for Python. Contribute to microsoft/pyright development by creating an account on GitHub.
DeepSource - Automated code reviews with static analysis.
PyLint - Pylint is a Python source code analyzer which looks for programming errors.
JavaScript Operator Lookup - A full list of JavaScript operators with examples
PyFlakes - A simple program which checks Python source files for errors.