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.
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.
Lifesize is a professional video conferencing provider founded in Austin, Texas, in 2003. Its Icon series 4K room systems and Lifesize Cloud cover hybrid work, interoperating with Microsoft Teams, Zoom, Webex, and Google Meet, and serving 10,000+ businesses worldwide.
Jitsi is an open-source video conferencing project that began as SIP software in 2003 and is now maintained by 8x8, offering the free no-registration meet.jit.si service and fully self-hosted deployment, built on WebRTC with an end-to-end encryption option for privacy- and sovereignty-minded teams.
GoTo Meeting is a veteran online meeting platform launched by Citrix in 2004 and now part of the GoTo group, headquartered in Boston, USA. It supports up to 250 participants per meeting and 3,000 in GoTo Webinar, with AI transcription and summaries for enterprise remote collaboration.
Google Chat is the team messaging tool built into Google Workspace, supporting 1-on-1 and group chats with threaded discussions, deeply integrated with Gmail, Drive, and Meet, and supporting bot automation.
Dialpad is an AI cloud communications platform founded in 2011 in San Francisco, USA, with real-time voice-to-text across voice, video meetings, and contact center, local numbers in 100+ countries, and a valuation above $4 billion in 2022.
Amazon Chime is the online meeting, video conferencing, and business messaging service launched by AWS in 2017; Basic is free, Pro is $3/user/month for up to 100 participants, and SDK plus Voice Connector deeply integrate with the AWS ecosystem.
Bitrix24 is an all-in-one business collaboration platform launched in 2012 and adopted by 15,000,000+ organizations. Its free plan is free forever with unlimited users, combining CRM, project management, social intranet, and communication in one workspace for budget-conscious SMB teams.
Webex, created in 1995 and owned by Cisco, is an enterprise video conferencing and collaboration platform serving 90%+ of the Fortune 500, with meetings for up to 1,000 participants and built-in AI transcription, translation and summaries.
RingCentral is a UCaaS unified communications platform founded in Belmont, California in 1999; MVP combines cloud PBX, video conferencing, and team messaging, covers local numbers in 40+ countries, offers a 99.999% SLA, and serves hundreds of thousands of enterprise customers.
Flock is an enterprise team messaging and collaboration platform launched in 2014 that combines group chat, HD video conferencing, task management and 150+ app integrations. The free plan supports 20 people; Standard is $4.50/user/month.
BlueJeans was founded in 2009 in San Jose, California, acquired by Verizon in 2020 for approximately US$400 million, and known for interoperability and Dolby Voice. Verizon announced its shutdown in August 2023, and the platform ceased service on March 29, 2024.