Heytools - JavaScript tools, AJAX tools and some fully server side tools.
Gema - General purpose text macro processor.
NimbleText - NimbleText is a text manipulation and code generation tool available online or as a free download.
GPP - GPP is a general-purpose preprocessor with customizable syntax, suitable for a wide range of...
WordCounter.net - Count words, sentences, paragraphs etc.
XMLStarlet - XMLStarlet Command Line XML Toolkit