Keyring is a second factor authenticator that generates Time-based and HMAC-based One-Time passwords used by most websites or services in lieu of sms or emails.

Features:
- Mostly material you design
- Follows systems preferred theme
- Scanning QR codes
- Sharing with QR codes
- Plain-text backup
- Secrets are encrypted with encryption key stored in the keystore
- Free and open-source (help always welcome 😊)