Best Open Source Post-Office Software 2025

Post-Office Software

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Browse free open source Post-Office software and projects below. Use the toggles on the left to filter open source Post-Office software by OS, license, language, programming language, and project status.

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1

Columba

Columba is an email client written in Java, featuring a user-friendly graphical interface with wizards and internalionalization support. Its a powerful mail management tool with features to enhance your productivity and communication.

5 Reviews

Downloads: 3 This Week

Last Update: 2016-03-01
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2

IMAP/POP3/SMTP proxy for gmail

A proxy server for gmail, that enables you to fetch your gmails using IMAP or POP3, and send mails by SMTP via your gmail account.

Downloads: 0 This Week

Last Update: 2013-03-22
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3

Tomahawk Mail

Tomahawk Mail is a complete web mail solution, including account registration. The latest code can be downloaded from the project web site.

Downloads: 0 This Week

Last Update: 2016-01-26
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4

Xoops Pop3 Email Client

The Xoops POP3 Email client is a module/hack that will allow users to check their email via a xoops web site. This enhanced feature will be benificial to Xoops site managers and staff. This module is Powered by UebiMiau.

Downloads: 0 This Week

Last Update: 2013-02-25
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