AJAX Chat is a free and fully customizable open source web chat software implemented in JavaScript, PHP and MySQL. Sound support is implemented using Flash, Socket support using Flash on client-side and Ruby on server-side.

AJAX Chat integrates nicely with phpBB, MyBB, PunBB, SMF, vBulletin and other PHP community software.

Features:
- Easy installation
- Usable as shoutbox
- Multiple channels
- Private messaging
- Private channels
- Invitation system
- Kick offending Users
- Ban offending Users
- Ignoring offending Users
- Online users list with user menu
- Emoticons / Smilies
- Easy way to add custom emoticons
- support support
- Optional Flash based sound support
- Optional visual update information (changing window title)
- Clickable Hyperlinks
- Splitting of long words to preserve chat layout
- Flood control
- Possibility to delete messages inside the chat
- IRC style commands
- Easy interface to add custom commands
- Possibility to define opening hours for the chat
- Possibility to enable/disable guest users
- Persistent client-side settings
- Multiple languages (auto-detection of ACCEPT_LANGUAGE browser setting)
- Multiple styles
- Chat window adjusts to browser window with included styles
- Easy layout customization through stylesheets (CSS) and template system
- Automatic adjustment of displayed time to local client timezone
- Standards compliance (XHTML 1.0 strict)
- Accepts any text input, including code and special characters
- Multiline input field with the possibility to enter line breaks
- Message lenght counter
- Realtime monitoring and logs viewer
- Support for unicode (UTF-8) and non-unicode content types
- Bandwidth saving update calls (only updated data is sent)
- Optional support to push updates over a Flash based socket connection (increased performance and responsiveness)
- Survives connection timeouts
- Easy integration into existing authentication systems
- Sample phpBB2 integration provided
- Sample phpBB3 integration provided
- Sample MyBB integration provided
- Sample PunBB integration provided
- Sample SMF integration provided
- Sample vBulletin integration provided
- Separation of layout and code
- Well commented Source Code
- Developed with Security as integral part - built to prevent Code injections, SQL injections, Cross-site scripting (XSS), Session stealing and other attacks
- Tested successfully with Microsoft Internet Explorer, Mozilla Firefox, Opera, Safari and Konqueror - built to work with all modern browsers

Requirements:

· Server-Side:
· PHP >= 4
· MySQL >= 4
· Ruby >= 1.8 (optional)
· Client-Side:
· Enabled JavaScript
· Enabled Cookies
· Flash Plugin >= 9 (optional)