- UNIX applications: E-Mail, Groupware Suite, Integrated and Stand alone office automation including relational database, word processor and 3-D spreadsheet.
Ishmail - Multi-media Internet Mail By HAL Software Systems.
Kvatro-Notis AS & Kvatro Telecom AS - Products include ON-Mail X.400 email for UNIX and Windows NT.
Post.office - A message transport agent for the Internet community, is a secure, easy-to-use alternative to existing tools such as sendmail and smail.
CommuniGate Pro Messaging Server - Stalker Software, inc. specializing in high-end Internet Mail Servers which support multiple platforms and the following features and protocols; IMAP4rev1, ESMTP, POP3, WebEmail, MailList, and LDAP.
Topaz-Inform - EMail solution for Unix/X11. Key features is easy-to-use user interface and MIME support.
Zmail (NCD) - Z-Mail is the only fully configurable, cross-platform (Windows, UNIX, Mac and character terminals) e-mail system on the market today.
Zmail (UniPress Software, Inc.) - Zmail, the popular NCD email-er for Unix, Windows and Mac. Consistent cross-platform interface. UniPress will NOT be undersold.