Open source alternatives to Guilded

Open-source chat solution offering real-time messaging, video calls, and file sharing for teams of all sizes.

Mattermost provides a flexible, open-source platform for secure team collaboration, designed for organizations with strict security and privacy requirements.

Open-source platform for encrypted communication, file sharing, and collaboration based on the Matrix protocol.

Free, open-source instant messaging and VoIP platform with full Markdown support, voice/video calls, moderation tools, and self-hosting options for communities.

Modern chat platform featuring text channels, community building tools, fine-grained permissions, and complete privacy protection. Open-source and ad-free.

A comprehensive collaboration platform offering end-to-end encrypted messaging, file sharing, and video calls with enterprise-grade security and compliance features.

Build your own community space for gaming, chatting, and hanging out with friends worldwide. Customize your environment for the perfect social experience.

Open source chat server with end-to-end encryption, clustering support, and comprehensive messaging features for building real-time communication apps