FMPress Publisher 3 is an update to FMPress Publisher that allows users to create web applications from FileMaker databases using INTER-Mediator as middleware. Key features of FMPress Publisher 3 include support for HTTPS, HTTP/2, integration with INTER-Mediator's web services, and the ability to build responsive web apps accessible from iOS and Android devices. A demo of FMPress Publisher 3 and its web publishing capabilities is available online.