Sweden’s Försäkringskassan and Trafikverket use the @matrix open standard to federate with each other, even though they use products from different vendors. 😍

Vendor-agnostic federation FTW!

https://www.esamverka.se/aktuellt/nyheter/nyheter/2026-05-22-federation-i-praktiken---nu-kopplas-myndigheters-chattar-ihop.html