LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.

Live Center - Live Center helps news and media companies cover events and breaking news in live feeds. Create Live Blogs with engaging content, interact with your audience, and customize feeds to strengthen your brand.

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Medium - Welcome to Medium, a place to read, write, and interact with the stories that matter most to you.

Olark - Real-time chat and monitoring of your website visitors through Google Talk and Jabber.

Tumblr - A feature rich and free blog hosting platform offering professional and fully customizable templates, bookmarklets, photos, mobile apps, and social network integration.