Set up find and replace rules that are executed AFTER a page is generated by WordPress, but BEFORE it is sent to a user's browser.
Find and replace all the strings from all the fields of all the tables.
Search and replace content into pages and posts
Ginger tag remover strips tags that Ginger browser plugin inserts into the code.
Chalked full of little helpers for developing websites, including search and replace function and shortcode to create columns.