MyABs
My ABs allows you to replicate Address Book (e.g. Global Address List) entries and properties to Outlook Contact folders and search the Address Book from any email enabled device.

Site and Software details ....

NetMail
Netmail provides extensive filtering capabilities for incoming correspondence and requests, creating incoming and outgoing message archives.

Site and Software details ....

PopTray Mail Notifier
PopTray is a mail notifier written in Delphi for the Windows platform. It sits in your tray notification area and check mail from multiple accounts on a timer interval.

Site and Software details ....

SeeMail
Gives you the chance to read your POP3 email while it stays on the server, from anywhere in the world. You can check if there are any large emails in your mailbox and delete them before you download.

Site and Software details ....

Y.A.M.C.
A very lightweight mail client which can fit on a floppy disk, but doesn't eliminate important features. Works with multiple email servers and message editors.

Site and Software details ....