Is free, open-source software a viable option for running your radio station? Fred Gleason, co-founder of Paravel Systems says it’s worth consideration. His Rivendell radio automation software is open-source, widely deployed, fully professional - and free to use. Paravel’s financial model is to charge for pre-configured hardware and for support, but both are optional. Fred talks to us about Rivendell open-source radio automation and call screening software.