Fluxer
7.7#25 in team chat appsFrom $49.99 a yearFree planAndroidiOSWebLinux
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| Fact | Fluxer | Zulip |
|---|---|---|
| Channels | Yes | Channels define the audience for conversations and can be public or private. |
| Encryption | Fluxer says push notifications relayed for self-hosted instances are encrypted before reaching its relay, which it says cannot read them. | Clients use TLS over HTTPS, Cloud data is encrypted in transit and at rest, and mobile push content uses end-to-end encryption that hides message metadata from push providers. |
| Free plan | Yes | Yes |
| Integrations | The 2026 roadmap says bot integrations are planned to support slash commands, modals, buttons, components, and interactions. | Zulip lists more than 130 native integrations and hundreds more through Zapier and IFTTT. |
| Self-hosting | The AGPLv3 software can be self-hosted without a license key or reduced edition, and operators control their instance data and rules. | Self-hosting is supported with installer scripts, Docker and prebuilt DigitalOcean or Render images, but administrators handle setup, upgrades and maintenance. |
You want what its maker publishes above — check its page for the details.
Zulip suits teams that want channel-based chat across desktop, mobile, and web platforms. Its cloud and self-hosted options provide different deployment choices.