RabbitMQ - RabbitMQ is an open source message broker software.
DBeaver - DBeaver - Universal Database Manager and SQL Client.
Ethereum - Ethereum is a decentralized platform for applications that run exactly as programmed without any chance of fraud, censorship or third-party interference.
MySQL Workbench - MySQL Workbench is a unified visual tool for database architects, developers, and DBAs.
Hyperledger - Hyperledger is a multi-project open source collaborative effort hosted by The Linux Foundation, created to advance cross-industry blockchain technologies.
Sequel Pro - MySQL database management for Mac OS X