Downloads

MQTT Broker

MQTT messaging and Language of Things (LoT) automation.

2.22.0Latest release

Published 21/10/2026LinuxWindows

Detects your system architecture and installs required dependencies.

Open a Linux terminal and run the installer
Linux terminal (sh)
curl -fsSL https://packages.coreflux.org/install.sh \| sudo sh -s -- --interactive
Choose 1 for Broker, 2 for Hub or 3 for Both. Enter your sudo password if prompted.
Supports Ubuntu 22.04 / 24.04, Debian 12 / 13 and RHEL-compatible 8 / 9 / 10 systems. On Ubuntu 26.04, choose Hub only. Hub requires a graphical desktop.
If you installed MQTT Broker, check the service (look for “active (running)”)
systemctl status coreflux-broker
If you also installed Hub, open Coreflux Hub from your applications menu without sudo.
For a broker on this computer, connect to localhost:1883 with your broker credentials. For another computer, use its address and MQTT port.

Run on Linux, Windows or macOS.

Connect to brokers, manage routes and work with LoT. Choose a desktop package or run Hub in your browser.

2.12.0Latest release

Published 21/10/2026LinuxWindowsmacOS

Detects your system architecture and installs required dependencies.

Open a Linux terminal and run the installer
Linux terminal (sh)
curl -fsSL https://packages.coreflux.org/install.sh \| sudo sh -s -- --interactive
Choose 1 for Broker, 2 for Hub or 3 for Both. Enter your sudo password if prompted.
Supports Ubuntu 22.04 / 24.04, Debian 12 / 13 and RHEL-compatible 8 / 9 / 10 systems. On Ubuntu 26.04, choose Hub only. Hub requires a graphical desktop.
Open Hub as your desktop user, without sudo
coreflux-hub
You can also open Coreflux Hub from your applications menu. Re-run the installer to update this installation.
For a broker on this computer, connect to localhost:1883 with your broker credentials. For another computer, use its address and MQTT port.

Run Hub in your browser on Linux, Windows or macOS.