Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Face Slim - Web App for Facebook. Lightweight, ad-free, chat support and modern look.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Tinfoil for Facebook - Download Tinfoil for Facebook app for Android. Tinfoil for Facebook is for those users that require a Tinfoil hat. .
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Friendly for Facebook - Friendly is the most complete Facebook Lite and FB Messenger alternative.