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.
Worknice - Worknice is a performance management software that helps companies effectively manage their sales and customer-related business processes.
WebEx - Cisco WebEx Web Conferencing, Online Meetings, Desktop Sharing, Video Conferencing
Sympa - Sympa is an open source (GNU GPL) mailing list management (MLM) software.
Skype - Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.
DreamTeam - Effectively manage all of your projects with DreamTeam, a comprehensive project management platform.