Install latest/stable of Open Authenticator
Ubuntu 16.04 or later?
Make sure snap support is enabled in your Desktop store.
Install using the command line
sudo snap install open-authenticator
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Details for Open Authenticator
Package name
- open-authenticator
License
- GPL-3.0-only
Last updated
- 29 June 2026 - latest/stable
- 15 August 2026 - latest/edge
Websites
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Source code
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A cross-platform OTP app, free and open-source
Protect your online accounts with Open Authenticator
Open Authenticator generates Time-Based One-Time Passwords (TOTPs), which serve as the second factor in the 2FA process. These temporary codes are valid for a short period of time and are used alongside your password to verify your identity when logging into your accounts. This significantly enhances the security of your online accounts and protects them from unauthorized access.
Key features
Open-Source & Free to use : Our commitment to transparency and security means our app is open-source and will always remain free for local use. If it doesn't cost anything for us, then it shouldn't cost anything for you !
Cross-Platform Compatibility : Seamlessly use your TOTP tokens on all your devices, whether you're using Linux, Android, iOS, macOS or Windows.
Self-Hostable Backend : You can host the backend on your own server. Your data, your choice.
A lovely crafted app : Open Authenticator has been designed to be fast and easy to use. Quickly find all your TOTPs and copy them directly from the main page !
In summary, why Open Authenticator ?
Here are the reasons why you should download Open Authenticator :
Enhanced Security : Protect your online accounts from unauthorized access with strong 2FA.
User-Friendly Interface : Intuitive design makes it easy to add, manage, and organize your TOTP tokens.
Continuous Improvement : We're dedicated to delivering the best user experience and regularly update our app with new features and improvements.
Links
Check it out on Github : https://github.com/openauthenticator-app/openauthenticator
Visit our website : https://openauthenticator.app
Download Open Authenticator for other platforms : https://openauthenticator.app/#download
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The build and commit information is derived from build infrastructure records.
Install Open Authenticator on your Linux distribution
Choose your Linux distribution to get detailed installation instructions. If yours is not shown, get more details on the installing snapd documentation.