tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page
FileFlex - FileFlex: Access Share Stream developed and published by Qnext.
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.
Zoho Meeting - Free video conferencing, online meeting, desktop sharing solution from Zoho.
Crisp Chat - Multi-channel customer support software
Voxox CloudPhone - Get a local or toll-free business number that automatically answers, routes and transfers calls, plus other professional business phone services.