Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
RabbitMQ - RabbitMQ is an open source message broker software.
Microsoft Authenticator - One app to quickly and securely verify your identity online, for all of your accounts.
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
andOTP - andOTP is a two-factor authentication App for Android 4.4+
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.