2fast (acronym for two factor authenticator supporting TOTP) is a free, open source, two factor authenticator for Windows and other platforms. 2fast has the ability to store the encrypted data at a place of your choice instead of a 3rd party cloud location.

Features

• Every data is stored in one single encrypted file

- Encrypted with AES using a password-based key by PBKDF2

- Possibility to send the data file to your colleagues and friends to securely share logins

- Easily backup & restore using a single file

• Everything works local

- No extra account, registration or login needed

- No Internet connection needed except for WebDAV use

• Free for desktop OS / fee required for mobile OS

• Open Source

• Works on multiple platforms

- Currently released for Windows 10+ (UWP)

- under development (with Uno platform):

- Android

- iOS

- Linux

- macOS

• Uses the widely accepted TOTP algorithm (RFC 6238)

-Works with accounts from Google, Microsoft, Facebook, PayPal, etc.

The app logo has been sourced from freepik @flaticon: https://www.flaticon.com/de/kostenloses-icon/schlussel_2786386?related_item_id=2786386