International audienceF-Interop allows implementors of IoT protocols to test compliance and interoperability of their implementation by connecting to a remote server in the cloud which contains and runs testing tools for different IoT standards. This paper provides an overview of the F-Interop Platform and the tools. Nowadays testing tools for CoAP, 6TiSCH, OS-CORE and LoRaWAN standards are already available. The F-Interop project, which has started as a H2020 project funded by the European Commission, is now supported by a large community of standard development organizations, small/large companies, academic institutions, and protocol designers and implementors. They all see the benefits of adopting the new Interoperability approach propos...