TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Splashtop Remote Support - Remotely support your clients’ computers and provide them with remote access
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
BeyondTrust Remote Support - BeyondTrust Remote Support is remote desktop access, service desk, and collaboration software for Windows, Mac, Linux, iOS (iPad, iPhone), and Android devices.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.