Top 20 Alternatives to Zoom Video Communications (Zoom Meetings + Zoom Phone) in Unified Communications (UCaaS) Software

Integrated collaboration hub with video meetings, chat, file sharing, and Microsoft 365 telephony (Teams Phone) for full‑stack UC.

Enterprise‑grade video conferencing, webinars, and Webex Calling for cloud‑based voice, featuring robust security and AI‑powered meeting assistance.

Simple, browser‑based video meetings tightly integrated with Google Workspace and optional Google Voice for business calling.

All‑in‑one UCaaS platform offering video, team messaging, and a cloud PBX with extensive global PSTN coverage.

Reliable video conferencing and webinar solution from LogMeIn, with GoTo Connect for integrated voice services.

High‑definition video meetings with Dolby Voice audio, meeting analytics, and optional BlueJeans Cloud Room for hardware integration.

Unified communications suite combining video, audio, messaging, and AI‑driven meeting insights for mid‑size to enterprise markets.

Cloud‑based voice, video, chat, and contact‑center capabilities with built‑in analytics and global phone number support.

AI‑powered voice, video, and messaging platform that integrates with G Suite, Microsoft 365, and Salesforce.

Comprehensive UCaaS offering video meetings, team messaging, and a cloud PBX with extensive API integrations.

Scalable UC solution featuring video conferencing, team chat, and a cloud‑hosted phone system with advanced call‑center tools.

Unified communications suite delivering video, voice, and messaging with strong enterprise security and integration with Avaya contact‑center solutions.

Collaboration platform with voice/video calls, screen sharing, and Huddles for quick audio chats, plus Slack Connect for external communication.

open-source, free‑to‑use video conferencing that can be self‑hosted for maximum privacy and customization.

Browser‑based video rooms with no downloads, easy meeting links, and optional enterprise plans with branding and admin controls.

Open‑source web conferencing designed for online learning, featuring real‑time sharing of slides, whiteboard, breakout rooms, and polling.

Feature‑rich web conferencing platform focused on webinars, virtual classrooms, and interactive e‑learning experiences.

Enterprise video conferencing hardware and cloud service with 4K video, Dolby Voice, and integrated phone system.

Webinar and online meeting tool that integrates with Zoho CRM, Projects, and Desk, plus optional Zoho PhoneBridge for voice.

Scalable video conferencing platform that connects on‑premise, cloud, and third‑party services with strong security and interoperability.