Free DHCP Server - A DHCP Server is a protocol server for TCP/IP networks that supplies IP addresses to other...
Cryoserver - Cryoserver is an all-in-one email archiving solution that empowers you to preserve your email in a tamper-evident archive, making you transform your data into a useful archive for everyday use.
haneWIN DHCP - haneWIN DHCP Server is a great platform that provides a BOOTP/ DHCP server entirely based on RFC 2131.
Gmvault - Backup the emails in your Gmail account.
TFTPD32 - A free tftp and dhcp server for windows, freeware tftp server
imapsync - Console-based utility for migrating IMAP mailboxes.