CSSLint is an open-source CSS code quality tool originally written by Nicholas C. Zakas and Nicole Sullivan. A lint tool performs static analysis of sourcecode and flags patterns that might be errors or otherwise cause problems for the developer. CSSLint is a tool to help point out problems with your CSS code. It does basic syntax checking as well as applying a set of rules to the code that look for problematic patterns or signs of inefficiency. ...
PyChecker is a static analysis tool for finding bugs in Python sourcecode. It finds problems that are typically caught by a compiler for less dynamic languages, like C and C++. It is similar to lint.