VarAC is a versatile amateur radio software designed to elevate digital communication across HF/FM bands. Leveraging the VARA HF modem, it offers real-time chatting capabilities, allowing seamless text-based communication among operators. Beyond text, VarAC facilitates file and image sharing, broadening the scope of interaction. The software streamlines communication by automatically logging QSOs (radio contacts), simplifying record-keeping. With adaptable bandwidths, VarAC provides flexibility in transmission quality and speed. Additional user-friendly features, such as spell check and chat gestures, enhance the overall experience for amateur radio operators.