1.beemdevelopment / AegisA free, secure and open source app for Android to manage your 2-step verification tokens.otptotphotpandroidsecureencryption+3 moreJavaGPL-3.013K total614 forks+1,175 starsfrom 12,269 · score 7.07
2.BastiaanJansen / otp-javaA small and easy-to-use one-time password generator library for Java implementing RFC 4226 (HOTP) and RFC 6238 (TOTP).javaotptotphotp2fatwo-factor-authentication+4 moreJavaMIT245 total41 forks+10 starsfrom 235 · score 2.40