Drop LU is a free, easy-to-use AppleScript droplet that can reverse the lock or unlock status of dragged and dropped files. The program is open source and includes the source code for users to customize.
One of the best things about Drop LU is that it's completely free to use. So if you're on a tight budget, this tool might be a great option for you. Moreover, if you're curious about how Drop LU works, you can explore its source code since it's included in the package.
Overall, if you're someone who wants a simple and free utility to help manage the lock and unlock state of your files, Drop LU is worth checking out.
Version 1.2: N/A