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OTPClient vs SMTPeter

A side-by-side look at OTPClient and SMTPeter. For an in-depth review of either product, follow the links below.

OTPClient

OTPClient

Security & Privacy

OTPClient is an open-source, free software one-time password (OTP) authenticator for Linux, macOS, and Windows. It enables two-factor authentication by generating time-based OTP codes synced with sites like GitHub, Google, and more.

opensourcetwofactor-authenticationotpauthenticator
SMTPeter

SMTPeter

Network & Admin

SMTPeter is an open-source email server software designed for small businesses and developers. It allows you to send, receive, and manage emails on your own servers with features like spam filters, email aliases, user management, and analytics.

opensourceemailserversmall-businessdeveloperssendreceivemanagespam-filteremail-aliasuser-managementanalytics