So many details and features make Console v3 the top frontend of choice. Please consider sending Simon (the developer) a small donation for all his hard work.
I suggest you read Paul's (N4FF) quick start guide
SDR-Console Quick Start
SDR-Console v3 #4 Download
Some new addition: CW Skimmer output. IQ output. Sat Tracking & Rig Control via Omnirig.