Flycheck Syntax checking for GNU Emacs

Flycheck is a modern on-the-fly syntax checking extension for GNU Emacs, intended as replacement for the older Flymake extension which is part of GNU Emacs.

It uses various syntax checking and linting tools to automatically check the contents of buffers while you type, and reports warnings and errors directly in the buffer, or in an optional error list:

Flycheck screencast

Features

Manual

Latest news

23 Dec 2014
Flycheck 0.22
26 Oct 2014
Flycheck 0.21
12 Aug 2014
Flycheck 0.20
12 Jun 2014
Flycheck 0.19
24 Mar 2014
Flycheck 0.18