CoolServlets.com contains free servlets that is very powerful for any advanced web developer and also simple to use for any servlet user. It offers servlets like CSMailForm to send email through HTML forms, CSGuestBook for users to sign and view multiple electronic guestbooks, CSDateTime to print date and time in a variety of formats, CSRandomQuote to Print random quotes from text files, CSPostcard to send and retrieve electronic postcards etc. | 
