Top 20 Alternatives to Slack (Calls & Huddles) in Video Conferencing Software

Industry‑leading video platform with HD video, breakout rooms, webinars, and robust integrations.

Full collaboration suite offering video meetings, screen sharing, and deep Office 365 integration.

Secure, browser‑based video meetings integrated with Google Workspace and live captioning.

Enterprise‑grade video conferencing with AI‑powered meeting assistance and large‑scale event support.

Simple, reliable video meetings with screen sharing, drawing tools, and calendar sync.

Cloud‑native video conferencing with Dolby‑voice audio, meeting analytics, and cross‑platform support.

Open‑source, encrypted video meetings that run in the browser without accounts.

Instant video rooms with a single link, no downloads required, ideal for quick huddles.

Webinar and online meeting solution integrated with Zoho’s productivity suite.

Unified communications platform combining video, phone, and messaging in one app.

Voice, video, and screen‑share channels geared toward community and team collaboration.

Team messenger with built‑in video calls, screen sharing, and task management.

Simple team chat with one‑click video calls and AI‑powered task assistant.

Open‑source Slack alternative that adds video calls via integrated plugins (e.g., Jitsi).

Self‑hosted chat platform with optional video conferencing through WebRTC plugins.

Secure, scalable meetings with video, chat, and screen sharing, integrated with AWS services.

High‑definition video conferencing hardware and cloud service for large enterprises.

Open‑source web conferencing designed for online learning, with breakout rooms and real‑time whiteboard.

Feature‑rich virtual classroom and webinar platform with custom layouts and analytics.

Webinar and online meeting solution offering polls, Q&A, and branding customization.