imapsync - Console-based utility for migrating IMAP mailboxes.
ZabaSearch - Find people free with Zabasearch directory engine that includes free people search, reverse phone number lookup, address lookup, and more.
IMAP Upload - IMAP Upload is a tool for uploading a local mbox file to IMAP4 server.
RealPeopleSearch - RealPeopleSearch is a web-based software that allows you to get the basic and public record of the concerned person within a few minutes by providing little information.
audriga Email and Groupware migration - Easily migrate your email, contacts, calendar items and tasks to your new provider or server. No software installation is required.
Numlooker - Numlooker is a web-based tool that is used to reverse the phone number that you have received.