JA K2 Filter and Search extension provides search and filter feature for K2 Component based on extra fields parameters. Such specific search or filter capability has been missing for long in K2. Developed for our JA portfolio template demo, it is now part of JA Extension Club
The extension has been rewritten for the Joomla 2.5 and Joomla 3 version and now comprises of component, module and plugin. The new version support multiple themes, you can also create new theme, customize its style easily.
The best part is, it now supports horizontal layout too with option to choose number of columns display, as was requested by many users. A new demo site is also up highlighting both the layouts and search options.