**[Now Olark for WordPress!](http://www.jamesdimick.com/creations/olark-for-wordpress/)**
Active Contact At Once! subscribers can easily add their chat and text options to WP sites with this simple plugin.
A modern live chat, email marketing tool, marketing automation solution and simple CRM in one product.
Send notifications to Slack channels when certain events occur in WordPress. Incoming Webhooks are a simple way to post messages from external sources
Notify your coworkers about a new blog post through the Basecamp Campfire group-chat service.
WordPress Live Support, a Powerful, Simple and Flexible WordPress Support.
Kikflo Live Chat allows you to chat with visitors to your site via a customizable chat window.
Simple chat application for customer support.
Altocloud's WooCommerce integration enables real-time predictive analytics & voice, video or chat communications capabilities in your store.
Provide your customers with excellent customer service and collect feedback. Increase your revenue and customer satisfaction level, free of charge.
Chat service that allows you to connect in real time with users of your website.
BlastChat - free chat for your website or blog.
Import IM conversation transcripts to WordPress.
Piktogram studio chat
CommFort WebChat provides a web-based chat CommFort.
This plugin connects your site with LiveDive, the insanely easy way to talk to your site visitors and watch them use your site live.
Provides live technical support and troubleshooting via a chat module from the WP Admin interface.
Live Chat tool for your business. Fully loaded with features like unlimited chats, fully customizable widget, app integrations & more.
RA-Plugin enables you to zopim chat widget in your website.
Need more customers? The MobiChat live chat plugin allows you to chat with customers on your desktop or Mobile website. Use our lead capture
This plugin add ChatMe Shortcode to WordPress.
This plugin allows you embed the Geetalk's public chat widget in your site in an easy manner
Webchat client Converse.js into WordPress