Except that the old PC is probably less efficient at a lower clock than an AR based consumer router. You’ll get more performance and features, but it will be more expensive to run.

I’m currently using Sync but once some of the others polish up and catch up, I’ll probably switch. All of the actively developed apps have a solid foundation, some are just newer than others.

Photo editing software. My wife didn’t want to pay for Lightroom anymore, so we switched to a software with a one time payment, Luminar. There are some FOSS alternatives, but none of them have been a hit with her. All of them are missing something or are intended to compete with a different line of product like Photoshop, Illustrator, or ProCreate.