PLAYtXt
- Free J2ME Java mobile instant messenger for cellular phones.
- http://www.rummble.com/displayIMService.do

iMessengr.com
- Instant messaging clients, Web based and multi-protocol messengers, addons, plugins and tools.
- http://www.imessengr.com/

YMTiny
- Application to enable users of Yahoo Instant Messenger to communicate via their mobile phone.
- http://www.orisinil.com/ymtiny/

StarLine Messenger
- Instant Messaging application operating on its own network. Requires registration.
- http://www.starlinemessenger.com/

FreshNamer
- Catalogs of user suggested nicknames for use on all popular instant messaging clients.
- http://www.freshnamer.com/

MiniMobs
- HTML based instant messaging application allowing text communication between users of social networking sites.
- http://www.minimobs.com/

weblin
- Community oriented chat software for Windows creates a chatroom on every site opened in a Firefox or IE browser window. Users can talk via animated avatars.
- http://www.weblin.com/

IM-History
- Service allowing storage of chat history online. Supports most major instant messaging platforms.
- http://www.im-history.com/

Transplug
- Hosted corporate instant messaging solution. Commercial software.
- http://www.transplug.com/

Status-Messages.com
- A collection of user submitted status messages for instant messaging users.
- http://status-messages.com/

i-msgr
- Instant messaging service provider for groups of friends, communities, or web site visitors.
- http://www.i-msgr.com/

Make your own display
- Custom displays pictures service for MSN Messenger, Live Messenger, Skype and Yahoo.
- http://www.makeyourdisplay.com/

IMwrapper
- Service for checking online statuses and creation online indicators for MSN, Yahoo, AIM, and ICQ.
- http://www.imwrapper.com/

BuddyStumbler.com
- Web instant messenger which allowed to exchange addresses of AOL, MSN, Yahoo, and Google based on user profile, interest and location.
- http://www.buddystumbler.com/

Speedy Messenger
- Instant Messenger which communicates with all instant messengers such as AIM, ICQ, MSN Messenger and Yahoo.
- http://www.speedymessenger.us/

Raketu
- Web messengers compatible with MSN, Yahoo, ICQ, AOL, Skype and Google.
- http://www.raketu.com/

My Display Image
- Collection of avatars, buddy icons and display images. designed for MSN, AOL, Yahoo and Skype.
- http://www.mydisplayimage.com/

eBuddy
- Web messenger which is compatible with a variety of services like AIM, AOL, and MSN.
- http://www.ebuddy.com/

IM Federation
- A federation of IM networks, committed to an interoperable world. Includes mission statement, news, list of open networks and compatible software, and advocacy information.
- http://imfederation.com/

PresenceWorks
- Tool for integrating instant messaging client capabilities into business software.
- http://www.presenceworks.com/

Away Messages
- Suggestions for away messages to use with instant messaging clients.
- http://www.awaymessages.com/