essential feature

Simple but feature-rich word processor.

AppleScript replacement for mail merge feature.

Text viewer with bookmark feature.

Timer with application/macro launch feature.

Advanced and well-established feature-rich text mode web (HTTP/FTP/...) browser

Notepad with some editing feature.

XMLSpear is a free XML editor with a great real-time validation feature.

It provides a word count feature for TextEdit, OS X's built-in word processor.