Alternatives to OTPClient
A GTK4 desktop app for managing TOTP and HOTP two-factor codes in encrypted databases. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
OTPClient
A GTK4 desktop app for managing TOTP and HOTP two-factor codes in encrypted databases.
Replacements
Listings that take over the same core job as OTPClient.
Authenticator
A GNOME desktop app that generates two-factor authentication codes using the TOTP and HOTP standards.
Authenticator is a GNOME desktop app for TOTP and HOTP codes on Linux, fitting the GNOME desktop but without OTPClient's command-line tool or Steam Guard support.
Ente Auth
Open-source two-factor authenticator with end-to-end encrypted backups.
Ente Auth adds clients for Windows, macOS, Android, iOS and the web, with free end-to-end encrypted cloud backup tied to an Ente account.
Proton Authenticator
A free two-factor authentication app from Proton with end-to-end encrypted sync between your devices and no advertising.
Proton Authenticator runs on Linux, Windows and Android with end-to-end encrypted sync between devices, which requires a Proton account.
Yubico Authenticator
An app that shows two-factor codes from OATH credentials stored on a YubiKey.
Yubico Authenticator stores codes on a YubiKey instead of an encrypted file, works on desktop and mobile, is closed source and needs the hardware key.
Aegis Authenticator
An encrypted two-factor authentication app for Android with real backups and imports from every other authenticator.
Aegis Authenticator moves codes to an Android phone with an AES-256-GCM encrypted vault, automatic backups and imports from many other authenticators.
2FAS
Open-source authenticator app with browser-extension push approvals.
2FAS moves codes to Android or iOS with browser-extension push approvals and encrypted backups to iCloud or Google Drive, but has no standalone desktop app.
Similar software
Related functionality, not a direct replacement.