KeyPass app
KeyPass is Security application that is open source under the MIT license. The modern password manager does not store your credentials on servers so your passwords are in your hands, no need to worry.1. Fully Offline
2. Without Ads
3. Open source (you can view source code)
4. Backup & Restore your credentials
5. Time Based Otp (TOTP)
https://github.com/yogeshpaliyal/KeyPass