Heytools - JavaScript tools, AJAX tools and some fully server side tools.
WordCounter.net - Count words, sentences, paragraphs etc.
KeywordDensityTool.net - Keyword Density Tool
KeywordDensityReport.com - Website Keyword Density Reports
NimbleText - NimbleText is a text manipulation and code generation tool available online or as a free download.
Treo - Treo is the page speed monitoring tool that helps your customers from obtaining a faster web experience.