Fldigi is a free and open-source software designed for digital modes of communication in amateur radio. It supports a wide range of modes including PSK31, RTTY, Olivia, and many more. It also includes features such as rig control, logging, and macros. Additionally, Fldigi is multi-platform and can run on Windows, macOS, and Linux operating systems.
Operating system: Windows
Publisher : W1HKJ & Associates
Version: 4.1.06 (checksum)