Zimbra Collaboration Suite
(commercial) Zimbra is a server and client technology for enterprise messaging and collaboration. Zimbra delivers innovation for both the administrator and the end user as well as compatibility with existing infrastructure and applications. Read more hot
(commercial) FileMaker is a workgroup information management tool which allows you to quickly create solutions adapted to your business needs.
(commercial) FLOWer provides complex case management and advanced workflow under Linux and MySQL. Rapid deployment and drag and drop development interface giving easy access to complex case management constructs.
MALODOS helps you to scan, store, and easily retrieve all your personal documents. Its storage format is open and documented, so your document archive can remain accessible even without MALODOS.
(commercial) HP's strategic Linux and UNIX system business-messaging and collaboration solution, based on Internet standards. It is a proven, robust technology for building e-services solutions, running on HP-UX(2), Linux, AIX and Solaris. From November 1st 2001 Hewlett-Packard stopped selling OpenMail to new customers