eM Client is a Windows based e-mail client for sending and receiving e-mails, managing calendars, contacts, and tasks.

SOGo (Scalable OpenGroupware.org) is an open source collaborative software (groupware) server with a focus on simplicity and scalability.

Memotoo sync all your contacts from Gmail, Facebook, phone, Thunderbird, Outlook, etc in a single address book.

MozBackup is a simple utility for creating backups of Mozilla Firefox, Mozilla Thunderbird, Mozilla Sunbird.

MailStore lets you archive your private email from almost any email source and search through them extremely quickly.