Expresso Livre

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Expresso Livre
An entirely free/libre software email, calendar, address-book, workflow and instant messaging solution.

An entirely free/libre software-based email, calendar, address-book, workflow and instant messaging solution. It is a customized version of the German tool E-GroupWare, and is available under free software licence.



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Leaders and contributors

Resources and communication

Software prerequisites

Required to usePHP (> 5.3.18)
Required to useCyrus (> 2.4.13)
Required to usePostgres (> 9.1.6)


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.