Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Qiqqa - Qiqqa is a free research and reference management software. It can be used in many organizational projects from the academic to the personal to the business endeavor. Read more about Qiqqa.
Hornetsecurity Email Archiving - Hornetsecurity Email Archiving is one of the advanced software that offers long-term, unchangeable, and secure storage of important company information, data, and flies.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .
Intradyn Email Archiver - Orca Email Archiver provides email archiving solution for local government and business.