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Fluxer

Fluxer

Open-source Discord-like instant messaging & VoIP platform

Website fluxer.app
Overview

What it is

An open-source, independent instant messaging and VoIP platform. Built for friends, groups, and communities.

Intent

I need it when

Access chat platform across multiple devices and regions with low latency

Fluxer supports desktop (Windows, macOS, Linux), web, and mobile PWA. Voice/video calls route through 16 global regions across 6 continents to minimize latency. Users can join calls from multiple devices simultaneously.

Customize chat experience with themes, emojis, and media management

Fluxer allows custom CSS themes, upload of custom emojis and stickers, saved media organization, and compact display modes. Plutonium subscribers get access to animated avatars, video backgrounds, and higher file upload limits (500 MB vs 25 MB).

Host a chat server on personal infrastructure with full control

Fluxer is fully open source (AGPLv3) and supports self-hosting on user hardware. Users can run their own backend instance, connect multiple clients, and optionally purchase the Operator Pass for direct team support and community access.

Communicate with friends and groups using voice, video, and messaging without corporate surveillance

Fluxer is free and open source, allowing users to verify the code and self-host if desired. It offers private DMs, group chats, voice/video calls with screen sharing, and noise suppression—all without proprietary tracking.

Build and manage a community with moderation tools and organized channels

Fluxer provides granular roles, permissions, moderation actions, audit logs, and organized channels for communities. Users can create communities with multiple channels, manage member access, and maintain transparency through audit logs.

Drop

Not a fit when

  • User requires enterprise-grade SLA or guaranteed uptime commitments; Fluxer is in public beta with no formal SLA
  • User needs native mobile apps; iOS and Android apps are still under development; only web PWA available
  • User requires HIPAA or SOC 2 compliance; no evidence of these certifications on the website
  • User wants proprietary closed-source software; Fluxer is fully open source (AGPLv3) which may conflict with some organizational policies
  • User needs advanced federation with other chat platforms; federation is listed as a 2026 roadmap item, not yet available
Commercials

Pricing

Freemium with optional premium tier (Plutonium) and one-time self-hosting support pass. Free core service; Plutonium adds higher limits and exclusive features; Operator Pass provides self-hosting support. View pricing