Google Workspace offers professional business email with custom domain support, 30GB+ storage, and deep integration with Google Docs, Meet, and Calendar. Gmail has over 1.8 billion active users, making it the world's most popular email service.
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Lark is the enterprise collaboration suite from ByteDance, unifying instant messaging, documents, calendar, meetings, and email in one platform. The free plan supports teams of up to 20, video meetings reach 500 attendees, and Pro starts at $12/user/month.
DingTalk is an enterprise communication and collaboration platform launched by Alibaba in 2014, serving over 25 million enterprise organizations and 700 million users with instant messaging, video conferencing, attendance, approvals, and low-code development.
Microsoft 365 Business is Microsoft's office and collaboration suite for small and medium businesses with up to 300 employees, integrating desktop Office, Exchange business email, Teams, OneDrive and SharePoint, with over 345 million monthly active users worldwide.
Zoom is a global video conferencing platform founded in San Jose, California in 2011, supporting up to 1,000 video participants per meeting and peaking above 300 million daily participants during the 2020 pandemic. Its free plan includes 40-minute group meetings.
Microsoft Teams is Microsoft's enterprise collaboration platform launched in 2017, with 320 million+ monthly active users. It supports up to 1,000 participants per meeting and deeply integrates Microsoft 365 and Copilot AI as a core tool for modern work.
Google Meet is Google's enterprise-grade video conferencing service, launched in 2017 and deeply integrated with Workspace. The free plan supports 100 participants, paid plans scale to 500-1000 plus 100,000-viewer live streaming, with AI live captions and noise cancellation as key differentiators.
Redbooth is a US-origin project collaboration platform tracing back to 2008 (formerly Teambox, renamed in 2013), offering 4 task views including kanban and Gantt chart plus built-in video conferencing for remote team collaboration.
Outlook.com (formerly Hotmail) is Microsoft's free personal email service, founded in 1996 with 400M+ active users. Deeply integrated with the Microsoft 365 ecosystem for email, calendar, contacts, and cloud storage.
Whereby, founded in Oslo, Norway in 2015, is a browser-native video conferencing platform with no downloads, serving more than 10 million users and offering an embedded video API and permanent room links.
WeCom, launched by Tencent in 2016, is an enterprise communication and collaboration platform connected to more than 10 million organizations, interoperating with personal WeChat to reach over 1 billion users with built-in approvals, attendance and document OA.
StarLeaf is a UK cloud video conferencing and unified communications platform founded in 2008, supporting up to 300 participants per meeting with a 99.999% uptime guarantee. The platform ceased operations in 2022; this page documents its capabilities and selection lessons.