MySQL - The world's most popular open source database
Amazon Kinesis - Amazon Kinesis services make it easy to work with real-time streaming data in the AWS cloud.
PostgreSQL - PostgreSQL is a powerful, open source object-relational database system.
Apache Flink - Flink is a streaming dataflow engine that provides data distribution, communication, and fault tolerance for distributed computations.
SQLite - SQLite Home Page
PieSync - Seamless two-way sync between your CRM, marketing apps and Google in no time