Also, as an open source project, we have no idea how many churches use OpenLP. We have over 3000 fans on Facebook, and we've amassed over 100,000 downloads (probably closer to 200,000 at this stage), so that should give you a hint.<br><br>OpenLP is about as stable on Windows as Windows is. For best performance, I personally recommend using a better operating system. I've had great success with Kubuntu Linux.<br>