DocPad is a free alternative to Notepad. Although it fills the same role, plain text editing, it offers an arsenal of time-saving tools: block indent/unindent, bookmarking, case conversion, customizable toolbar, encoding conversion, file history, jump to line/offset, keyboard macros, print preview, search and replace, skinnable interface, spell checking, statistics, variable pitch font, and much more. It also includes a built-in calculator, calendar, and character map.

Features:

Alphabetization of paragraphs
Block indention and unindention
Bookmark
Calculator, calendar, and character map tools
Convert various encodings including Base-64, Quoted-Printable, UTF-7, etc.
Convert to lower/upper/title/sentence case
Cut, copy, and paste
File type association tool
File drag & drop
Help file
Jump to line/character
Keyboard macros (unlimited in size and number)
Normalize spaces
Print and Print Preview (user can adjust margins, font, page numbering).
Recent file history
Search and replace, including case-insensitive, whole-word, and wildcard searches.
Selectable character set
Skinnable user interface
Spell checking
Statistics on characters, words, lines, and paragraphs
Text drag & drop
Toolbar, Status Bar
Trim trailing spaces from lines
Undo up to 100 changes
Variable-pitch fonts support
Word wrap