es6-class-privates
Provides a method of converting underscored pseudo-private class members into truly private class members
staticrypt
Password protect a static HTML file without a backend - StatiCrypt uses AES-256 wiht WebCrypto to encrypt your input with your long password and put it in a HTML file with a password prompt that can decrypted in-browser (client side).
upash
Unified API for password hashing algorithms