KeyCat is an open source end-to-end encrypted password manager. This is the web-extension companion to automate auto-filling the forms based on the data stored in the password manager. The full source code for the server can be found on https://github.com/keydotcat/keycatd

You can downlad the extension for:

• firefox: https://addons.mozilla.org/es/firefox/addon/keycat
• chrome: It's in the review process