NoteTab is a leading text editor, popular Notepad replacement, and powerful code-based HTML editor. Winner of software industry awards since 1998, this application does it all: it easily handles a stack of huge files; lets you format text to your heart's content; does system-wide searches, and multi-line global replacements. It even corrects your spelling mistakes. Build document templates, add bookmarks, convert text to HTML on-the-fly, and take charge of your code. Use a simple, power-packed scripting language to create anything from a text macro to a mini-application. NoteTab Light is a freeware version, and remains free even when used in a business context. 
NoteTab allow multiple files to be opened simultaneously in the tabbed interface that also includes a fully configurable toolbar with over 90 commands. Search and replace functions allow processing of all open documents or specified disk folders, and text copied from other applications to the Windows Clipboard can be automatically pasted in a chosen NoteTab document. 
NoteTab also has its own scripting language that enables the creation of custom text-processing tools. A large number of ready-made scripts are already included in the program, and many more have been made available by other NoteTab users on our Clip Resources page. Examples of included scripts include measurement and currency conversion, calculation of mortgage rates and the future value of deposits, stripping HTML tags from files, and encrypted password storage.
NoteTab text editors support a variety of industry standards and operations, including PCRE regular expressions and XHTML, and seamlessly integrate with a number of popular third-party utilities.