Smultron 5 has now been released for OS X Mountain Lion. You can get in in Mac App Store for only $5:
With Smultron 5 you can quickly and easily write and edit text. It is designed with an elegant user interface to be easy and intuitive to get started with but it is also has more powerful features when you need them.
You can quickly edit a web page, to-do list, script, novel or any kind of text and you have all your open documents easily accessible.
You can store your documents in iCloud and access them on all your Macs and iPhones and iPads with Smultron for iOS.
For more advanced uses Smultron 5 is a fully featured text editor with syntax coloring for over 90 languages, regular expressions, commands, snippets, line numbers and many, many more features
Major changes in version 5 (some big things and many hundreds of small things):
• Text folding
• Much better accessibility support
• Much better international support and translated to Chinese, French, German, Spanish and Japanese
• Updated for OS X Mountain Lion with e.g. sharing and text zoom
• Full support for Retina Macs
• Split window to see two different parts of a document
• A better and more flexible way to see the open documents
• Many other smaller improvements to make it easier, faster and more powerful to use
• Sandboxed for your security
More info at:
(Please note that Smultron 5 is only for OS X 10.8 Mountain Lion, if you are using 10.7 Lion there is Smultron 4 instead.)