calliko

The plugin displays floating down the block. In it, you can write the title and body text. 
You can also insert a photo or video to. 
 You can put back the feedback form or links sponsorov.Plagin simple, so long description will not.

float block

Easy to use and truly lightweight plugin to display any type of the information you want. Probably some style customization needed :)

Nice and simple

The plugin displays floating down the block. In it, you can write the title and body text.  You can put back the feedback form or links sponsors.

chatWING

ChatWing is the ultimate free live chat service, instantly chat from any device. 
ChatWing is 100% cloud based live chat, talk on websites, via direct links like “chatwing.com/Mygroup” and inside this app. 
Instantly create new rooms, invite users, put any chat room directly on your website or blog and connect to the app. Also use ChatWing as a direct live chat messenger with friends, contacts or to meet new people.
<ul>
<li>Create unlimited chat rooms with unlimited users.</li>
<li>Choose to login with numerous social accounts including, Google, Facebook, Instagram, Twitter, Tumblr, Yahoo, Vkontacte, ChatWing and more.</li>
<li>Use the lobby feature to join any existing room.</li>
<li>Search for specific rooms you usually chat in on websites and blogs, take that room on the go once bookmarked.</li>
<li>Bookmark unlimited chats and have instant access anytime.</li>
<li>Many customization controls allow the ability to edit your text, fonts, insert video and images direct and much more.</li>
<li>Connect your room to the Chatwing Android and IOS (ipad/ipad) apps</li>
<li>Receive alerts and notifications of new messages via chatwing mobile apps</li>
<li>Embed Chatwing into any webpage both Javascript and Iframe HTML code are available for each room</li>
</ul>

Plugin Name: Chatwing Float Chatbox

Chatwing offers an unlimited live website/blog chat experience.This chat widget specializes in delivering real-time communication at any given time

float block vs Plugin Name: Chatwing Float Chatbox