Dead Simple Screen Sharing - Simple screen sharing and audio conferencing software.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Demodesk - Collaborative screen sharing for sales & success teams
Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
CrankWheel - Insanely simple, enterprise-friendly screen sharing, free for individual use.