InSilo.co’s Peppermint (http://www.osxpeppermint.com) code editor for Mac OS X supports more than 50 syntaxes and provides advanced editing features with dozens of extensions, giving developers the ability to create new apps.

Peppermint is designed to provide a one-window no-distractions experience” with extensibility features like plug-ins, live JavaScript console and third party extensions. You can instantly run different plug-ins and tools that cover everyday coding needs. Peppermint comes with 10-plus themes, aFTP/SFTP mapping console, and a scriptable interface.

Supported Syntaxes:
* ActionScript
* Ada
* AppleScript, Objective-C
* Assembly x86
* Bash
* C#
* C / C++
* COBOL
* HTML / CSS / LESS / Sass
* Clojure
* JavaScript / JSON / CoffeeScript
* ColdFusion
* D
* Erlang
* Forth
* Go
* Haml
* Haskell
* Images
* Java
* LaTeX
* Lisp
* Lua
* MATLAB
* Makefile
* Markdown
* OCaml
* PHP
* Pascal
* Perl
* Plain Text
* Prolog
* Python
* R
* Ruby
* SQL
* Scala
* Scheme
* Tcl
* Textile
* XML
* XQuery
* YAML

Included Plugins/Extension:
* AppleScript : Run / Run with Arguments
* Bash : Run / Run with Arguments
* C : Run / Run with Arguments
* C++ : Run / Run with Arguments
* C# : Run / Run with Arguments
* CoffeeScript : Compile
* CSS : Beautify
* HAML : Compile
* HTML : Beautify, Preview, Preview in Browser, Strip HTML Tags, Validate
* Java : Run / Run with Arguments
* JavaScript : Beautify, JavaScript to CoffeeScript, Pack, Run / Run with Arguments
* JSON : Beautify, To XML, Validate
* LESS : Compile
* Lua : Run / Run with Arguments
* Markdown : Preview, Convert to HTML
* Objective-C : Run / Run with Arguments
* Perl : Run / Run with Arguments
* PHP : Run / Run with Arguments
* Python : Run / Run with Arguments
* XML : To JSON
* Regex Editor
* Share Gists on Github
* Embedded StackOverflow search

Peppermint 1.0 costs US$14.99 and requires Mac OS X 10.7 or higher. It’s available worldwide through the Mac App Store in the Developer Tools category.