Fluxer
What Fluxer is
Fluxer is free, open-source chat software for friends, groups, and communities. It runs on web, Windows, macOS, Linux, iOS, and Android, and can also be self-hosted. Conversations support Markdown, code blocks, file sharing, link previews, custom emoji, and stickers. Voice channels include camera use, screen sharing, multi-device connections, noise suppression, and echo cancellation. Community controls provide roles, permissions, timeouts, kicks, bans, and an activity log of moderator changes. The AGPLv3 software can be hosted without a license key or reduced edition, while operators control instance data and rules. The Free plan costs nothing and allows 100 communities, 2,000-character messages, 50 bookmarks, 25 MB uploads, and video up to 720p at 30 FPS. Plutonium costs $4.99 a month and increases those limits. Older attachments expire automatically, with retention depending on file size.
Who it suits
Fluxer suits people seeking chat for personal groups or communities, including operators who want to self-host. Its moderation tools and community programs also address organized communities and creator or organizational groups.
What it does well
- Free plan supports 100 communities
- Available across desktop, mobile, and web
- Self-hosting has no reduced edition
- Voice includes screen sharing and camera
- Moderation tools include roles and bans
What to know first
- Older attachments expire automatically
- Free uploads are limited to 25 MB
- Bot integrations are only planned
- Account support is not available by phone
Limits
The Free plan allows 100 communities, 2,000 characters per message, 50 bookmarks, 25 MB uploads, and video up to 720p at 30 FPS. Plutonium raises these to 200 communities, 4,000 characters, 300 bookmarks, 500 MB uploads, and up to 4K at 60 FPS. Attachments expire automatically; files up to 5 MB may remain about three years, while files near 500 MB may expire after about 14 days.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free | 100 communities · 2,000 characters per message · 50 bookmarks · 25 MB uploads · up to 720p at 30 FPS | Free |
| Plutonium | $4.99/mo · 200 communities · 4,000 characters per message · 300 bookmarks · 500 MB uploads · up to 4K at 60 FPS | $4.99 a month |
| Plutonium | $49.99/yr · 200 communities · 4,000 characters per message · 300 bookmarks · 500 MB uploads · up to 4K at 60 FPS | $49.99 a year |
As fluxer.app lists them, read 11 Oct 2026. The maker's own page has the final word.
Getting started
- Open https://fluxer.app/
- Choose web or install Fluxer on Windows, macOS, Linux, iOS, or Android
- Create or access a Fluxer account
- Select the Free plan or Plutonium at $4.99 a month
- Join or create communities and configure channels, roles, and permissions
Verdict
Fluxer combines broad platform support, multimedia chat, moderation, and self-hosting in a free offering. Check attachment retention and the Free plan limits before choosing it for file-heavy communities.
Questions
Is Fluxer free?
Yes. The Free plan costs nothing. Plutonium costs $4.99 a month.
Which platforms support Fluxer?
Fluxer supports web, Windows, macOS, Linux, iOS, and Android, with self-hosting also available.
Can Fluxer be self-hosted?
Yes. The AGPLv3 software can run self-hosted without a license key or reduced edition.
What communication features does Fluxer provide?
It offers text, voice, video, camera, screen sharing, multi-device connections, noise suppression, and echo cancellation.
Does Fluxer support moderation?
Community tools include roles, permissions, timeouts, kicks, bans, and an activity log of moderator changes.
Facts from Fluxer's own pages
- Channels
- Yes · fluxer.app, 23 Sept 2026
- Encryption
- Fluxer says push notifications relayed for self-hosted instances are encrypted before reaching its relay, which it says cannot read them. · fluxer.app, 11 Oct 2026
- Free plan
- Yes · fluxer.app, 23 Sept 2026
- Funding and privacy
- Fluxer says it is funded by optional Plutonium subscriptions and donations, does not run ads or sell user data, and does not use venture capital or outside investors. · fluxer.app, 11 Oct 2026
- Integrations
- The 2026 roadmap says bot integrations are planned to support slash commands, modals, buttons, components, and interactions. · fluxer.app, 11 Oct 2026
- Intended users
- Fluxer describes itself as chat for friends, groups, and communities, and offers community discovery and programs for creators and organizations. · fluxer.app, 11 Oct 2026
- Messaging
- Messages support Markdown and code blocks, files, link previews, custom emoji, and stickers. · fluxer.app, 11 Oct 2026
- Moderation
- Community tools include roles and permissions, timeouts, kicks, bans, and an activity log showing moderator changes. · fluxer.app, 11 Oct 2026
- Notable limit
- Fluxer automatically expires older attachments; files up to 5 MB may remain available for about three years, while files near 500 MB may expire after about 14 days. · fluxer.app, 11 Oct 2026
- Platforms
- Fluxer is available in web browsers and on Windows, Linux, and macOS, with iOS and Android apps in public beta. · fluxer.app, 11 Oct 2026
- Product
- Fluxer is free and open source chat for friends, groups, and communities, with text, voice, video, screen sharing, and self-hosting. · fluxer.app, 11 Oct 2026
- Security reporting
- The security policy accepts vulnerability reports affecting Fluxer-operated services and supported self-hosted releases, and asks researchers to avoid denial-of-service testing and noisy scans. · fluxer.app, 11 Oct 2026
- Self-hosting
- The AGPLv3 software can be self-hosted without a license key or reduced edition, and operators control their instance data and rules. · fluxer.app, 11 Oct 2026
- Support
- Fluxer directs account and support requests to [email protected] and says account support is not available by phone. · fluxer.app, 11 Oct 2026
- Voice and video
- Voice channels support screen sharing and camera, multi-device connections, noise suppression, and echo cancellation. · fluxer.app, 11 Oct 2026
Where Fluxer stands on Freedom251
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