Fluxer
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| Fluxer | |
|---|---|
 Logo used since 2026 | |
Screenshot  | |
| Original author | Hampus Kraft |
| Developer | Fluxer Platform AB |
| Initial release | January 1, 2026 |
| Operating system | Windows, macOS, Linux, web browsers |
| Type | VoIP communications, Instant messaging |
| License | AGPLv3 |
| Website | fluxer |
| Repository | github |
Fluxer is a free and open source instant messaging app and VoIP social media platform. It was created independently by Swedish student Hampus Kraft and released to the public in early January 2026.[1] It is seen widely as an alternative to Discord, gaining popularity following its age verification policy changes.[2][3] Although the service is freemium, it does not require a subscription for most features, and the platform promises not to sell user data or use it for generative artificial intelligence.[4][5]
Fluxer has self-hosting, and federation is on its roadmap.[2][6]
The app was released in early January 2026 in hopes of competing with Discord. By late February of the same year, there was a sharp rise in new accounts, following Discord's announcement of a new age verification policy.[7]
In March 2026, Fluxer has reached 125,000 users on its primary server.[8] After it quickly gained popularity in February 2026, the software experienced major outages due to massive user influx, server overload and migration of the backend infrastructure.[9]