The Horde Project

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Wondering what Horde is? Curious how to use one of Horde's many more advanced features? Learn more about Horde and its powerful applications with Frequently Asked Questions, Screenshots and more.
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As the most flexible groupware platform in the world, Horde makes an ideal place to create your own custom applications. Learn more about our feature-rich collection of web development libraries and how to get started.
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More than just software: Our team of trusted professionals helps you build large installations or custom applications. Learn how our experience and technology delivers the most flexible platform to realize your grand ideas.

Latest News

Planet Horde

JWT Authentication: Building a Hybrid Model That Actually Works
Part 2 of 4: Architectural Evolution in Horde 6 In part 1 of the evolution series: The jQuery Problem I discussed frontend concerns – How to move off a dead mobile-only fr...
The jQuery Mobile Problem: Why Horde 6 Had to Move On
Part 1 of 4: Architectural Evolution in Horde 6 Turns out you can’t ship a stable release while depending on a framework that was deprecated five years ago. I sort of knew...
Horde’s new Two-Factor API
New Horde 6 feature: The horde/horde base app’s next release supports two factor logins.Dmitry Petrov is working to release a new One-Time Password module which integrates...
Sunsetting the Maintaina Horde Fork
A few years back I started a downstream fork of Horde to develop features I needed for foss and customer deployments without upstream dependencies. It went successful, was a gre...
A wicked problem from the past
In the last few evenings there was great despair. Trying to solve one problem would reveal yet another one. As a result, I hesitated to release some of the changes immediately....
Proxy Mode in horde-installer-plugin
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Unit Testing Horde 6
Some years ago I reasoned about upgrading unit tests from ancient PHPUnit 4 to then-recent PHPUnit 9.Back then Horde’s unit test suite would use a Horde_Test class inherit...
I want to run horde/components on new PHP
If you want to run horde-components on a version of PHP which is not yet reflected in packagist.org released versions: me@mine:~/horde/components$ composer config minimum-stabil...
Back to the source code? The 2025 agenda
Looking back on 2024, it was a challenging, demanding and sometimes crazy year. But let’s start with athe good things in life: There was so much joy to be had with the fam...
Horde 6: Return of the Git Tree
Over the last few weekends, Horde 6 code has been merged back from the Maintaina fork and from separate contributions to the former Horde development version, “master̶...