Fluxer
Free and open source chat for friends, groups, and communities with text, voice, video, screen sharing, and self-hosting. Made in Sweden with GDPR compliance.

Fluxer is a privacy-first, open source chat application designed for friends, groups, and communities. It offers a comprehensive suite of communication features including text messaging, voice and video calls, screen sharing, and organized community channels—all while prioritizing user privacy and control.
Key Features
- Messaging: Full Markdown support, private DMs, group chats, and organized community channels with file sharing and link previews.
- Voice & Video: Multi-device calls, built-in screen sharing, noise suppression, echo cancellation, and camera control.
- Moderation Tools: Granular roles and permissions, audit logs, webhooks, and bot support for transparent community management.
- Search & Navigation: Quick search through message history, filter by author or date, and a quick switcher with keyboard shortcuts.
- Customization: Upload custom emojis and stickers, save media, apply custom CSS themes, and toggle compact mode.
- Self-Hosting: Fully open source (AGPLv3) with no licensing fees. Host your own instance and switch between multiple servers.
- Global Voice Regions: Sixteen voice regions across six continents for optimized call quality.
- Multilingual Support: Available in over thirty languages with community-driven translations.
Tech / Self-Hosting
Fluxer is fully open source under the AGPLv3 license. The backend can be self-hosted on your own hardware, and the same apps are used for both official and self-hosted instances. No license keys or cut-down community editions are required. For setup instructions, refer to the self-hosting guide.