Finderlock is described as 'MacOS utility that lets you lock files and folders directly in Finder using AES-256 encryption. Authentication is handled with Touch ID or a master password, and all encryption happens locally on your Mac—nothing is uploaded' and is a File Unlocker in the security & privacy category. There are more than 10 alternatives to Finderlock for a variety of platforms, including Windows, Android, Android Tablet, iPad and F-Droid apps. The best Finderlock alternative is Screen Lock Builder, which is free. Other great apps like Finderlock are Secure Folder, Folder Lock, Safe Space and BulkFolderLocker.