Firebird - Relational database offering many ANSI SQL standard features that runs on Linux, Windows, and a variety of Unix platform
Datahike - A durable datalog database adaptable for distribution.
Devart Odbc Driver For Xbase - Reliable and simple to use data connector for xBase. Compatible with multiple third-party tools.
Datomic - The fully transactional, cloud-ready, distributed database
Teradata - See why Teradata is the world's leading provider of business analytics solutions, data and analytics solutions, and hybrid cloud products and services.
PlanetScale - The last database you'll ever need. Go from idea to IPO.