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A Server implementation of the OGC SensorThings API. The FRaunhofer Opensource SensorThings-Server is the first complete, open-source implementation of the OGC SensorThings API Part 1: Sensing. It now also includes preliminary actuation support.


Instead of compiling the server yourself, you can also download pre-built war and jar files from:

Or you can use Docker.


Documentation can be found on the documentation site

Kubernetes (Helm) support

See helm/frost-server/ for how to use the FROST-Server Helm chart for a Kubernetes deployment.

Standalone Spring Boot

If you prefer to not use Tomcat, Kinota Server is a Spring Boot application that makes it easy to run Fraunhofer IOSB FROST-Server in cloud environments.


To compile FROST-Server you need to have a JDK and Maven installed.

  1. Checkout the project from github: git clone
  2. Go to the project root (The top-most directory with a pom.xml) cd FROST-Server
  3. Give the command mvn clean install. This should build the war and jar files in:
    • FROST-Server.MQTTP/target/
    • FROST-Server.HTTP/target/
    • FROST-Server.MQTT/target/


Hylke van der Schaaf [email protected]

Michael Jacoby [email protected]


Copyright (C) 2016 Fraunhofer Institut IOSB, Fraunhoferstr. 1, D 76131 Karlsruhe, Germany.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this program. If not, see