Coala
Coala provides a common command-line interface for linting and fixing all your code, regardless of the programming languages you use. Common source code : https://github.com/coala-analyzer/coala
JSHint
JSHint is a tool to detect errors and potential problems in JavaScript code and can be used to enforce coding conventions.
PyLint
A Python source code analyzer which looks for programming errors, it helps to enforce a coding standard and to sniff for some ...
JSLint
JSLint is a JavaScript program that looks for problems in JavaScript programs. It is a code quality tool. Common and open sour ...
PyCharm
Python and Django IDE with refactorings, code completion, on-the-fly code analysis and other features, including version contr ...