The former is free, while the latter is not. Other ScanXL alternatives are DashCommand, openOBD, OBD Auto Doctor, and FORScan. ScanXL is a good choice for those who are serious about their car maintenance but do not want to spend too much money. ScanXL is an advanced diagnostic software package for serious do-it-yourselfers and professionals alike. The software automatically records data, including the time, date, and last diagnosis date. The program allows you to record and playback diagnostic data log files in the PC. ScanXL supports over two hundred generic parameters and supports the CAN protocol. ScanXL Pro obd2-II software is a powerful car diagnostics software for PCs that supports over two hundred and twenty generic OBD-II parameters. And, if you’re still not sure, keep reading! It’s easy to find free obd2 software for your car, so get started today! ScanXL Pro Hopefully, these reviews will help you choose the right one for your car. Read on for some of the best options available. There’s the DashCommand, OBD Auto Doctor, and OBD Fusion. You can download obd2 software for free to diagnose your car’s problems.