PicoSearch provides you with a simple avenue through which you may add search capabilities to your site. The script that powers each search is remotely-hosted, and thus won't require any installation or maintenance on your behalf.

Responders.Net offers webmasters the opportunity to add an auto-responder to their online marketing and customer-service arsenal - all for free. With this, you can create forms that field questions from your visitors, the results of which will be emailed to you. Once they've completed the form, an email containing information created by you will arrive in the visitor's inbox.