| Netfilter netlink userspace library | |
| Horde Autoloader | |
| Cache for the Horde_Autoloader library | |
| Horde Browser API | |
| Horde CSS Minify | |
| Horde library for WebDAV, CalDAV, CardDAV | |
| Horde Editor API | |
| Horde ElasticSearch client | |
| Horde Form API | |
| Horde HTTP libraries | |
| IMSP API | |
| A package for handling Kolab data stored on an IMAP server | |
| Horde Logging library | |
| Horde Mail Library | |
| Horde Memcache API | |
| Horde MIME Library | |
| Horde Mongo Configuration | |
| Native Language Support (NLS) | |
| Horde OAuth client/server | |
| Open-Xchange Connector | |
| Horde Queue | |
| PEAR installer role used to install Horde components | |
| Scribe | |
| Horde Socket Client | |
| Preparation of Internationalized Strings ("stringprep") | |
| Horde support package | |
| Horde testing base classes | |
| Thrift | |
| Horde Tree API | |
| Tagging application | |
| An email filter rules manager | |
| Wiki application |