Komodo Edit is a free and open-source code editor for windows, mac and linux.
Main features:
PHP, Python, Ruby, JavaScript, Perl, Tcl, XML, HTML 5, CSS 3
Customizable syntax coloring
folding
background syntax checking
auto-complete and calltips
remote file editing
Vi keybindings
toolbox with shell command integration
macros and code snippets
Download Komodo Edit