3CX is a software-based PBX solution with a cloud hosted option, offering users web conferencing, CRM integration, instant messaging, and native mobile apps.
Microsoft Office 365 provides web, desktop, and mobile apps for outlook, word, excel, powerpoint, onenote, publisher, skype, onedrive, exchange online.
Microsoft Outlook is an personal information manager from microsoft which helps users communicate, manage schedules & find what they need quickly & easily.
Zendesk is an cloud-based customer service software solution trusted by over 40,000 organizations worldwide. Companies such as Groupon, Box, and Zappos are using Zendesk to lower costs, raise productivity, and increase customer satisfaction.
ShareFile is a secure content collaboration, file sharing and sync solution that supports all the document-centric tasks and workflow needs of small and large businesses. The company also offers cloud-based/on-prem storage, virtual data rooms and client portals. ShareFile is owned by Citrix Systems
Salesforce.com, Inc. is an American cloud computing company headquartered in San Francisco, California. Though its revenue comes from a customer relationship management (CRM) product, Salesforce also sells commercial applications of social networking through acquisition and internal development.