Tool 6 sources
Rocket.Chat
Open-source chat solution offering real-time messaging, video calls, and file sharing for teams of all sizes.
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Chanty
A curated collection of the best open source alternatives to Chanty. Each listing includes a website screenshot along with a detailed review of its features.
14 related tools 1 source groups 1 aliases
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Mattermost
Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.
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Zulip
Zulip is an open-source team chat app that uses threaded conversations to keep communication organized and efficient for teams of all sizes.
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Nextcloud
Nextcloud offers on-premises file sync, sharing and collaboration platform with advanced security and privacy features.
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Element
Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.
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Huly
An open-source platform that combines project management, team communication, document collaboration, and virtual office spaces in one integrated solution.
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Colanode
Collaboration suite with real-time messaging, rich text pages, file management, and dynamic databases - built for offline work (alternative to Slack, Notion)
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Wire
A comprehensive collaboration platform offering end-to-end encrypted messaging, file sharing, and video calls with enterprise-grade security and compliance features.
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SAMA
Open source chat server with end-to-end encryption, clustering support, and comprehensive messaging features for building real-time communication apps
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Stoat
Modern chat platform featuring text channels, community building tools, fine-grained permissions, and complete privacy protection. Open-source and ad-free.
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Fluxer
Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.
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Campfire
Install your own group chat system with @mentions, DMs, and mobile support. One-time purchase, no monthly fees. Includes full source code for customization.
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Mezon
Build your own community space for gaming, chatting, and hanging out with friends worldwide. Customize your environment for the perfect social experience.
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Twake Chat
Free Matrix-based messenger with end-to-end encryption, multi-platform bridges, and on-premise deployment. Connect across 30+ networks securely.
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