Search & Filter is a simple search and filtering plugin for WordPress – it is an advancement of the WordPress search box. Fields can be displayed as dropdowns, checkboxes, radio buttons or multi selects.
Relevanssi replaces the standard WordPress search with a better search engine, with lots of features and configurable options. You’ll get better results, better presentation of results.
Ivory Search is a simple-to-use advanced WordPress search plugin that enhances the default WordPress search and also allows you to create new custom search forms with or without Ajax functionality (ie search dropdown details, auto-fill).
