Samepage is an award-winning real-time intranet software built to help teams co-author documents, share files, manage tasks & calendars, draw diagrams, edit spreadsheets, & more. Secure sharing helps you collaborate with co-workers, contractors, clients, etc. Built-in group chat & video calling lets you see your team and its conversations alongside the content you're working on together. It also integrates with hundreds of apps to help you consolidate workflows & avoid email overload.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
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.
LinkedIn Premium - LinkedIn is a social network helping brands and professionals to connect, identify sales prospects, hire talent, and promote their business.
RingCentral Video - Live life unlimited. Free video meetings and team messaging in one app that works the way you do.
Salesforce Chatter - Salesforce Chatter provides a suite of collaboration features to any application built on Force.com.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.