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ComunicacaootherFreemiumWebWindowsmacOSLinuxAndroidiOSSelf-Hosted

Secure team messaging platform with channels, file sharing, and workflow automation for enterprises

GitHub Repository Official Website

GitHub stars

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Slack

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Web conferencing system designed for online learning with whiteboard, polling, and breakout rooms

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Private messenger with end-to-end encryption for secure text, voice, and video communication

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Session

Anonymous messenger requiring no phone number with decentralized network and end-to-end encryption

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Jitsi Meet

Secure video conferencing solution with screen sharing, chat, and recording without account required

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Revolt

User-first chat platform with servers, channels, and bots built for communities and friends

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Galene

Lightweight videoconference server optimized for large groups with low bandwidth requirements

MITFree

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Session

Jitsi Meet

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Galene

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BigBlueButton

Signal

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Jitsi Meet

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GitHub stars

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BigBlueButton

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GitHub stars

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BigBlueButton

Signal

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Galene

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