MariaDB, a community-developed fork of the MySQL relational database management system.

Memcached, an in-memory key-value store for small chunks of arbitrary data.

Nginx, a high-performance web, reverse proxy, load balancer and HTTP cache server.

MongoDB, a document-oriented NoSQL database server.

MXNet, an open-source deep learning framework.

MyRocks MySQL, a MySQL branch from Facebook with RocksDB as a new MySQL storage engine alternative to InnoDB.

MySQL, original branch of MySQL, the most popular SQL RDBMS, now owned by Oracle Corporation.

Node.js, a server-side JavaScript run-time environment.