Splashtop Remote Support - Remotely support your clients’ computers and provide them with remote access
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
AnyDesk - AnyDesk is the world's most comfortable remote desktop application. Access all your programs, documents and files from anywhere, without having to entrust your data to a cloud service.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
TeamViewer - TeamViewer lets you establish a connection to any PC or server within just a few seconds.
Crisp Chat - Multi-channel customer support software