So, let’s start the list with Top Free and Paid alternatives:  

1. ArrowChat

ArrowChat is a jQuery based live chat software that uses PHP and MySQL. It is placed at the bottom of your website similar to Facebook Chat. ArrowChat is currently the biggest alternative and rival for CometChat. Features: 

Video ChatChat RoomsApplicationsNotificationsPopup ChatThemesFull Admin PanelReal-Time SupportMulti-Device Support including SmartPhonesGuest ChatGroup Chat and lots More

Pricing: $45 Starting (10 days Free Trial) Visit ArrowChat Official Website (Get $5 Off)  

 

2. Ajax IM

Ajax IM (“Ajax Instant Messenger”) is a browser-centric instant messaging framework. It uses AJAX to create a real-time (or near real-time) IM environment that can be used in conjunction with existing community and commercial software, or simply as a stand-alone product. Pricing: Free Visit AjaxIM Official Website    

3. Pusheo

Pusheo is an agile and steadfast service which lets you blend real-time communication into any application, without any extra burden on your servers. It paves the way for transparent communication across all major platforms. All this in just 10 lines of code. Pusheo has massive, treasured and organized libraries for all the prime web and mobile platforms. Pricing: Free and Paid (Free for 10-user concurrency) Visit Pusheo Official Site  

4. BeaconPush

BeaconPush is a Push service that enables you to reach your users on real-time without requiring them to constantly poll your website. Pricing: Free and Paid Visit BeaconPush Official Site  

5. PhpFreeChat

PhpFreeChat is a Completely Free Chat Service which offers public and private chat rooms to your visitors. In addition, the interface is customizable on desktops, tablets and smartphones to fit your website design. Pricing: Free Visit PhpFreeChat Official Site     If you have any better alternative then these then please share it by commenting below.