Frosttie (FROnt-end SchemaTron Text Internet Engine) takes XHTML pages and processes them with various user-definable filters such a W3C's WAI, Section 508 (US) web usability compliance, ad removal, etc. It can be used with zKnowMan.
The WebEditor application is a Applet TextEditor and File Manager for Managing Files and Editing them without the need for a client side FTP or TextEditor. The Applet has syntax colorizator for most web scriptin languages.