Some people use plaintext files in a git repo in an encrypted disk image file with a long passphrase (Windows disk image (Bitlocker), macOS encrypted disk image

Some people use plaintext files in a git repo in an encrypted disk image file with a long passphrase (Windows disk image (Bitlocker), macOS encrypted disk image (AES256), and Linux LUKS encrypted image (most modern symmetric ciphers)). "Small" images hold lots of passwords, and you can drop the images in private cloud locations and USB storage in a safe. This method lacks auto-locking after a timeout and easy mobile access.