What are some alternatives?
When comparing Authy and Aegis Authenticator, you can also consider the following products
Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
andOTP - andOTP is a two-factor authentication App for Android 4.4+
Duo Security - Duo Security provides cloud-based two-factor authentication. Duo’s technology can be deployed to protect users, data, and applications from breaches, credential theft, and account takeover.
Azure Multi-Factor Authentication - Azure Multi-Factor Authentication helps safeguard access to data and applications while meeting user demand for a simple sign-in process.
FreeOTP - Open source implementation of the two-factor authentication HOTP and TOTP schemes.
Lastpass - LastPass is an online password manager and form filler that makes web browsing easier and more secure.