This script allows AOL Instant Messenger users to have extended profiles.

• Free

A messaging library for multi-user, real-time collaborative applications. It features a short learning curve, it can be hosted anywhere can can bypass firewalls. No installation required.

• Free

This script uses web forms to send SMS messages. Currently AT&T and T-Mobile are supported. Additional networks are very easy to add.

• Free

This instant messenger uses AJAX and features a buddy list with customizable groups, a staff list, theme interface, away messages, the ability to appear offline, offline messages, user search, user profiles with editable HTML and CSS, avatars, profile commenting and more. Site admins can disable any of the modules.

• Free

This program interacts with ICQ, MSN, AIM, Yahoo and Jabber IMs. It features database message buffers, login, a contact list, and message input/output windows.

• Free

An instant messenger application with webcam support. It is able to send the webcam frames both by p2p (direct connection) or through the server. Customizations include application name, ads' HTML content and emoticons. It features buddy categories, online/offline icons, online popup notifications, public chat and more.

• $169

A web-based messenger module for Esvon Classifieds to chat even if you only have HTTP access. User is automatically logged out on shutting down the browser. It features a template-based design, block list, smilies, a bad words filter and more.

• $89

A set of PHP classes that allow users to build scripts for sending SMS messages through existing websites offering SMS sends.

• Free

A full-featured XMPP (Jabber) instant messaging application that runs entirely in your web browser -- no Flash or Java applets required. It can work with third-party instant messaging networks including MSN, ICQ, AIM®, and Yahoo depending on your Jabber server setup.

• $199.99

Offer free SMS to your users and earn money at the same time. Allow your members to send to anyone, with worldwide coverage. It sends 100% anonymous/spoofed messages. Senders can mask their mobile phone number, create an address book and send bulk SMS messages. It features a PayPal integrated membership system.

• $400

A blockchecker for MSN Messenger.

• Free

A complete communication center for PostNuke that allows members on your site to exchange instant messages in a popup or within a message section. The message center includes an inbox, savedbox and outbox. You get email notification of new messages and have the ability to send message digests to your email address.

• €30

Simple and easy to modify script to send SMS messages through HTTP with your own Sender ID and delivery reports. You just have to enter your account information and upload the file to your server.

• Free

A flexible web-based Mobile Portal System (MPS) that can be made to fit various services such as an SMS gateway, personal messaging systems, corporate and group communications, customer relationship management (CRM), marketing, a content management system (CMS) and more.

• Free