QSnipps

Here are some of the features:

• Works on your Mac, Windows or Linux PC;
• It's simple, fast and easy to use;
• Organize your snippets library in categories, subcategories and by using tags;
• File attachement support for attaching additional files to your snippets;
• The main database can be placed in a shareable folder (Dropbox, Skydrive, etc.), to have your entire snippets library on your Mac, Windows or Linux systems;
• Syntax highlighting support for the most common programming languages + the possibility to create custom languages;
• Built-in feature that monitors the clipboard for text snippets copied from websites or other places;
• Built-in advanced search feature that gives the user the ability to quickly search and use any of his existing snippets;
• Snipplr.com built-in support. See, use or save all your snipplr.com favorite snippets;
• Built-in support to run/execute shell/dos commands;
• Best support in the world.