1. Google Talk Chatback Badge
A Google Talk chatback badge will let visitors to your web page chat with you. They’ll be able to chat with you whenever you’re signed in to Google Talk.
Meebo me is designed for anyone with a home on the web. If you’ve got a web page where you’d like to communicate with your visitors, meebo me allows you to see the people who are visiting your web page and chat with them!
3. Yahoo Messenger Pingbox
Chat privately with visitors on your social network profiles, blog, or website through Yahoo! Messenger.
Let your website visitors chat with you while you’re online in your messenger.
Add live chat capabilities to your website today. Get instant feedback and great user interaction with our shoutbox chat widget.
RumbleTalk provides a live customizable chat widget that can be added to any web page.
Manage all your existing IM, email, and social network accounts from one easy to use application.
Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.
9. Zoho Chat
Get your clients to chat with your support representatives live. Resolve their issues instantaneously.
eBuddy is your online messenger for MSN, Yahoo, Gtalk, Facebook, ICQ, MySpace and AIM (AOL). Whether you’re at home, school, work or traveling; with eBuddy you can chat online everywhere anytime. eBuddy is available as a web based and mobile version.
Weave face-to-face communication into your site with our flexible API or a simple, plug-n-play app.
12. AJAX Chat
Live Chat Support Initiate chat with your visitors Respond to their chat requests.
KoolIM.com is a web messenger application that allows you to stay connected with your favorite Instant Messenger almost anywhere. You need a computer with just a browser only. There is no need to download and install any software or Java plug-ins into your computer to use KoolIM.com Web Instant Messenger. KoolIM.com provides friendly, light and very easy to use web-based interface with almost all core features from the original Instant Messenger.
The only way to chat with all your friends right from your desktop.
SIP, the session initiation protocol, is an open protocol for VoIP and other text and multimedia sessions, like instant messaging, voice, video and other services.
Get a Cbox and add a new dimension of interaction to your website or blog. Cbox is a unique chat and messaging application that brings the best features of traditional chat and tagging systems to the social web. And the best part – Cbox Basic is completely free.
EZIM is a messenger for internal communication. It does not need a server to authenticate against to sign in. As long as you can get an IP address from the DHCP server (i.e. the network supports multicast), it will be able to find all other users within the same network segment and communicate with them. It is very handy to use on local area networks as it allows admins to provide a simple messenger service to the members without the need to add more servers, making life alot easier.