Centericq is a text mode menu- and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and Jabber protocols.

Centericq is a text mode menu- and window-driven IM interface that supports the ICQ2000, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and Jabber protocols.  - Text mode user interface
- Based on the ncurses library
- Provides windows, menus and dialogs
- Configurable color schemes
- Ability to use the program remotely via telnet or ssh
- Configuration is done with dialogs
- Support for displaying Hebrew and Arabic texts
- UI messages translated into 15 languages

- General instant messaging features
- ICQ, Yahoo!, AIM, IRC, MSN, Gadu-Gadu and Jabber are supported
- Sending, receiving and forwarding events
- Command line parameters for sending events through an already running instance
- Mass-sending events
- Contact list groups support
- Configurable sounds for specific events and users
- External programs to process incoming events
- Viewing users' personal data
- Updating self user info
- List of ignored users
- Configurable servers' hostnames and port numbers
- Ability to use http proxy (method CONNECT; optionally with proxy auth) to connect to IM servers

- ICQ support
- Sending and receiving messages, URLs, contacts and SMSes
- Receiving e-mail express and web pager messages
- Delivery of SMSes through e-mail gateways supported by Mirabilis
- Sending SMSes to any phone numbers, feature to send from the command line
- Searching for users by their UINs, through White Pages and by keywords
- Random chat: searching for availble persons and setting own chat group
- Registering of new UINs
- Setting own and reading others' away messages
- Server-based contact lists
- Controllable visibility and invisibility for specific users
- Peer-to-peer port range specification

- Yahoo! support
- File transfers
- Conferencing
- Fetching of custom status messages
- Typing notifications
- Searching for users through directory

- Jabber support
- Users directory search
- PGP encryption for messages
- SSL secured connections
- vCard information: both fetching and updating
- Registration on services supported by server
- Invisible mode
- Groupchat

- IRC support
- Support for private and channel-wide chat
- Showing IRC contacts on the list as well as detecting their being online
- Advanced user listing modes
- NickServ authentification support
- File transfers
- The PING command
- Password protected channels

- Integrated client for LiveJournal
- Posting of entries into a journal
- Friend list management tools
- Notifications about new entries in friends' journals
- Notifications when someone adds or removes your account from their friend list
- Notifications about birthdays of LJ friends

- Other
- Integrated RSS-feeds reader
- Builds and works under Linux, FreeBSD, NetBSD, OpenBSD, Sun Solaris, Windows and MacOS X/Darwin
- Script for migrating contact list and history from licq, kxicq2, gnomeicu and micq
- Logging of program's actions
- Re-reading the configuration on-fly if changed
- Extensive and interesting documentation
- The friendly and active users community at the centericq.de fan-club site