Comment by pooriaazimi

Try Sublime Text 2. It's fantastic (just like TextMate):

http://www.sublimetext.com/2

It's free for now.

Be sure to check Sublime package Manager. There are hundreds of Sublime extensions, many of which were ported directly from TextMate (and have .tmbundle suffix!):

http://wbond.net/sublime_packages/package_control

List of packages: http://wbond.net/sublime_packages/community#sort-installs