The Horde_Browser class provides an API for getting information about the
current user's browser and its capabilities.

This package provides a simple, functional caching API, with the option to
store the cached data on the filesystem, in one of the PHP opcode cache
systems (APC, eAcclerator, XCache, or Zend Performance Suite's content
cache), memcached, or an SQL table.

Horde_Cli:: API for basic command-line functionality/checks

This package provides an API for various compression techniques.

This package provides a programmatic way of building constraints that
evaluate to true or false.

This package provides the controller part of an MVC system for Horde.

These classes provide the core functionality of the Horde Application
Framework.

The Horde_Crypt package class provides an API for various cryptographic
systems.

This package provides a data import and export API, with backends for:
* CSV
* TSV
* iCalendar
* vCard
* vNote
* vTodo

The Horde DataTree Library

Package for creating and manipulating dates.

Library for natural-language date parsing, with support for multiple
languages and locales

Horde database/SQL abstraction layer

The Horde_Editor package provides an API to generate the code necessary for
embedding javascript RTE editors in a web page.

This class provides the default exception handlers for the Horde
Application Framework.

This package provides support for working with feed formats such as RSS and
Atom.

The Horde_Form package provides form rendering, validation, and other
functionality for the Horde Application Framework.

Package for managing and accessing the Horde groups system.

The Horde_History API provides a way to track changes on arbitrary pieces
of data in Horde applications.

This package provides a set of classes for making HTTP requests.

This package provides an API for dealing with iCalendar data.

This package provides an abstracted API interface to various IMAP4rev1
(RFC3501) backend drivers. It is faster than the php5-imap implementation

Provides an API into an IMSP server for address books and options.

A depedency injection container for the Horde Framework.