Horde Autoloader

Horde Browser API

Horde Caching API

Command line interface library

Horde Compression API

Fast Compression Library

Horde Constraint library

Tagging application

Controller library

Core Horde Framework library

Cryptography library

Blowfish Encryption Library

CSS Minification

Horde CSS Parser

Horde Data API

Horde Date package

Horde Date Parser

Horde library for WebDAV, CalDAV, CardDAV

Horde Database Libraries

Horde Editor API

Horde ElasticSearch client

Horde Exception Handler

Horde Feed libraries

Horde Form API

Web-based file manager

Horde User Groups System

Horde Groupware

Horde Hash Table Interface

API for tracking the history of an object

Horde HTTP libraries

iCalendar and vCard library

IDNA backend normalization package

Image library

IMAP client library

Webmail application

IMSP API

An email filter rules manager

Horde dependency injection container

iTip invitation response handling

Javascript Minification

A package for reading/writing Kolab data formats

A package for manipulating the Kolab user database

A package managing an active Kolab session

A package for handling Kolab data stored on an IMAP server

Calendar and scheduling application

LDAP client library

Horde List Headers Parsing Library

Horde Resource Locking System

Horde Logging library

Horde Login Tasks System