Open Source Google Authenticator Alternatives

The best open source alternative to Google Authenticator is KeePass. If that doesn't suit you, our users have ranked more than 50 alternatives to Google Authenticator and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Google Authenticator are Aegis Authenticator, andOTP, Keepass2Android and KeePassDX.

Google Authenticator alternatives are mainly Authenticators but may also be Password Managers. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Google Authenticator.

This page was last updated

Google Authenticator

Free • Proprietary
Authenticator

Android
iPhone
Android Tablet
iPad
Android Wear

Google Authenticator generates 2-step verification codes on your phone.

Enable 2-step verification to protect your account...

Learn more about Google Authenticator

KeePass
Is this a good alternative?
Yes
No
Free • Open Source
Password Manager
Authenticator
Mac
Windows
Linux
BSD
Mono
207 alternatives to KeePass
KeePass is a free open source password manager, which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key file.
Suggest and vote on features
KeePass Features
1. Works OfflineKeePass can be used without the need to connect to the internet.
2. PortableKeePass can be used from a USB stick or similar with no prior installation.
3. Extensible by Plugins/ExtensionsKeePass can be extended with add-ons, plugins and extensions.
4. Time-based One-time PasswordKeePass has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
5. Privacy focusedKeePass is considered a privacy friendly alternative.
6. Password RecoveryKeePass can help you recover your passwords for software applications and hardware devices.
Password Generator
Password safe
Password encryption
Local Storage
Cryptolocker
Autofill
Multi-Factor Authentication (MFA)
Save Attachments
Browser integration
Sorting by folder
KeePass vs Google Authenticator
pros, cons and recent comments
Guest
Of course can you use KeePass and apps that utilize kdbx files as a TOTP generator. Just read it up.
Top positive comment• ago

1

lau22
Unrelated - doesn't provide MFA codes.
Top negative comment• ago

6

photonbaka
KeePass does not provide multifactor/two-factor login support. I use it every day, it is a password manager.
Negative comment• ago

-1

myst
Not an alternative. KeePass isn't a 2FA generator.
Negative comment• ago

2

Guest
It is not at all an authenticator app, but a password storage
Negative comment• ago

3
Aegis Authenticator
Is this a good alternative?
Yes
No
Free • Open Source
Authenticator
Android
F-Droid
29 alternatives to Aegis Authenticator
Aegis Authenticator is a free, secure and open source app to manage your 2-step verification tokens for your online services.
Suggest and vote on features
Aegis Authenticator Features
1. Two-factor AuthenticationAegis Authenticator supports two-factor authentication (2FA).
2. Encrypted BackupAegis Authenticator uses encryption algorithms to keep your files safe as well as prevent unauthorized access.
3. Biometric AuthenticationLog in or unlock your device using your fingerprint or face recognition
4. Time-based One-time PasswordAegis Authenticator has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
5. Dark ModeAegis Authenticator supports dark mode for comfortable usage in low light conditions.
Multi-Factor Authentication (MFA)
Unlock with fingerprint
Data export/import
Import from Steam
Import from Google Reader
Community-based
Secure File Sharing
Customizable
Aegis Authenticator vs Google Authenticator
Almost everyone thinks Aegis Authenticator is a great alternative to Google Authenticator.
photonbaka
Simple yet effective OSS authenticator app. Encrypted database, local/cloud backup; other security features much better than corporate options. Default icon pack could be included and auto-assigned, but better than nothing.
Top positive comment• ago

0

Guest
Open source and the possibility to export the data if needed.
Top positive comment• ago

0

beyond9thousand
Does not automatically assign icons to the account names. Very tedious.
Top negative comment• ago

0

RemovedUser
It is open source & well maintained. It also allows you to import from Google Authenticator.
Positive comment• ago

0

Guest
All of the features I was hoping for in a free and open source application.
Positive comment• ago

1

Guest
It allows you to export your codes to a backup file and install on a secondary phone
Positive comment• ago

1
andOTP
Is this a good alternative?
Yes
No
Free • Open Source
Authenticator
Android
Android Tablet
F-Droid
36 alternatives to andOTP
It implements Time-based One-time Passwords (TOTP) and HMAC-Based One-Time Passwords (HOTP). Simply scan the QR code and login with the generated 6-digit code.
Suggest and vote on features
andOTP Features
1. Encrypted BackupandOTP uses encryption algorithms to keep your files safe as well as prevent unauthorized access.
2. Dark ModeandOTP supports dark mode for comfortable usage in low light conditions.
3. Time-based One-time PasswordandOTP has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
4. Two-factor AuthenticationandOTP supports two-factor authentication (2FA).
5. Privacy focusedandOTP is considered a privacy friendly alternative.
6. Biometric AuthenticationLog in or unlock your device using your fingerprint or face recognition
Security focused
Unlock pin
Multi-Factor Authentication (MFA)
Unlock with fingerprint
Icon sets
Sort by date
Sorting by tags
Password Generator
Community-based
Discontinued
Unmaintained, see https://github.com/andOTP/andOTP and developers announcement on XDA https://forum.xda-developers.com/t/app-4-4-open-source-andotp-open-source-two-factor-authentication-for-android.3636993/post-87021655

andOTP vs Google Authenticator
Almost everyone thinks andOTP is a great alternative to Google Authenticator.
Guest
I like it because it is open source. It has good features. More secure. And doesn't have useless features unlike google auth while has more good features.
Positive comment• ago

0

Guest
It offers the same functionality as other open source TOTP apps, but additionally offers plain-text (unencrypted) and encrypted backups of your configured TOTP accounts. This app also features a dark mode for nicer view. Besides that, the app offers a lot of different icons to apply to every TOTP entry, so you can find your desired entry easier, if you have a lot in total. To make finding the specific entry even easier, you can assign tags to them, as well.
Positive comment• ago

4
Keepass2Android
Is this a good alternative?
Yes
No
Free • Open Source
Password Manager
Android
Android Tablet
121 alternatives to Keepass2Android
Keepass2Android is an open source password manager application for Android. It reads and writes .kdbx-files, the database format used by the popular KeePass 2.x Password Safe for Windows and other desktop operating systems.
Suggest and vote on features
Keepass2Android Features
1. Works OfflineKeepass2Android can be used without the need to connect to the internet.
2. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
3. Biometric AuthenticationLog in or unlock your device using your fingerprint or face recognition
Keepass integration
Sync with Google Drive
Cryptolocker
Sync with SSH
Unlock with fingerprint
Password safe
Sync with Onedrive
Sync with Dropbox
Keepass2Android vs Google Authenticator
Most users think Keepass2Android is a great alternative to Google Authenticator.
Guest
Keepass2Android supports TOTP. The better thing is, TOTP seed works with desktop applications too. Therefore, you need only one database for desktop and mobile devices. Also, built-in Keepass keyboard allows autofill all inputs from one place, you don't need to switch between applications.
Positive comment• ago

2
KeePassDX
Is this a good alternative?
Yes
No
Free • Open Source
Password Manager
Authenticator
Android
F-Droid
56 alternatives to KeePassDX
A light material design KeePass client to manage keys and passwords in secure database.
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KeePassDX Features
1. Dark ModeKeePassDX supports dark mode for comfortable usage in low light conditions.
2. Two-factor AuthenticationKeePassDX supports two-factor authentication (2FA).
3. Biometric AuthenticationLog in or unlock your device using your fingerprint or face recognition
4. AES-256 EncryptionKeePassDX has AES-256 Encryption, i.e. very strong security.
5. Works OfflineKeePassDX can be used without the need to connect to the internet.
Keepass integration
Password Generator
Unlock with fingerprint
Password encryption
Encrypted Notes
Autofill
Material design
KeeWeb
Is this a good alternative?
Yes
No
Free • Open Source
Password Manager
Mac
Windows
Linux
Online
171 alternatives to KeeWeb
Web and desktop password manager compatible with KeePass. Works online in any modern browser or as a desktop app for Windows, Mac OS X and Linux.
Suggest and vote on features
KeeWeb Features
1. Dark ModeKeeWeb supports dark mode for comfortable usage in low light conditions.
2. AES-256 EncryptionKeeWeb has AES-256 Encryption, i.e. very strong security.
Integrated Password Generator
Image Preview
Save Attachments
WebDAV Sync
Keepass compatible
Sync with Google Drive
Password safe
Sync with Dropbox
Sync with Onedrive
Nextcloud integration
FreeOTP
Is this a good alternative?
Yes
No
Free • Open Source
Authenticator
Android
iPhone
Android Tablet
iPad
36 alternatives to FreeOTP
FreeOTP is a two-factor authentication application for systems utilizing one-time password protocols with support for Android (6 or later) and iOS (11 or later). Tokens can be added easily by scanning a QR-code or by manually entering in the token configuration.
Suggest and vote on features
FreeOTP Features
1. Two-factor AuthenticationFreeOTP supports two-factor authentication (2FA).
2. Multiple Account supportFreeOTP support multiple accounts without the need to logout and login
3. Ad-freeFreeOTP doesn't contain any form of external advertising.
4. Dark ModeFreeOTP supports dark mode for comfortable usage in low light conditions.
5. Time-based One-time PasswordFreeOTP has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
Community-based
AuthPass
Is this a good alternative?
Yes
No
Free • Open Source
Password Manager
Mac
Windows
Linux
Android
iPhone
Android Tablet
iPad
195 alternatives to AuthPass
Manage all your passwords across all devices. Open Source password manager compatible with kdbx/keepass. Available on Android, iOS, iPadOS, MacOS, Linux and Windows. It can also be used as a cross-platform supported two factor authentication app.
Suggest and vote on features
AuthPass Features
1. Works OfflineAuthPass can be used without the need to connect to the internet.
2. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
3. Biometric AuthenticationLog in or unlock your device using your fingerprint or face recognition
4. Two-factor AuthenticationAuthPass supports two-factor authentication (2FA).
Password Generator
WebDAV Sync
Multiple DataBase
Master Password
Authenticator Extension
Is this a good alternative?
Yes
No
Free • Open Source
Authenticator
Mac
Windows
Linux
Microsoft Edge
Google Chrome
Firefox
39 alternatives to Authenticator Extension
Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.
Suggest and vote on features
Authenticator Extension Features
1. Two-factor AuthenticationAuthenticator Extension supports two-factor authentication (2FA).
2. Time-based One-time PasswordAuthenticator Extension has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
Browser extension
Multi-Factor Authentication (MFA)
Authenticator Extension vs Google Authenticator
pros, cons and recent comments
f3l1x
Easy, Open Source and available via Browser Addon. You can even scan the QR Code with a screenshot. BEST 2FA!!!
Positive comment• ago

0

Guest
Free, open source, and a browser extension for multiple browsers so you can use it on any platform? Hell yes.

Also it's super simple. It just does what it says on the box, no extra crap you don't want.
Positive comment• ago

0
GNOME Authenticator
Is this a good alternative?
Yes
No
Free • Open Source
Authenticator
Linux
Linux Mobile
GNOME
Flathub
19 alternatives to GNOME Authenticator
Gnome Authenticator is a desktop 2FA code generator for Linux desktops, like Ubuntu.
Suggest and vote on features
GNOME Authenticator Features
1. Two-factor AuthenticationGNOME Authenticator supports two-factor authentication (2FA).
2. Time-based One-time PasswordGNOME Authenticator has support for TOTP, a computer algorithm that generates Time-based One-Time Passwords
3. Multiple Account supportGNOME Authenticator support multiple accounts without the need to logout and login
4. Dark ModeGNOME Authenticator supports dark mode for comfortable usage in low light conditions.
Multi-Factor Authentication (MFA)
Google Authenticator