PostgreSQL is described as 'Powerful, open source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance' and is a very popular relational database in the development category. There are more than 50 alternatives to PostgreSQL for a variety of platforms, including Windows, Linux, Mac, Self-Hosted and Web-based apps. The best PostgreSQL alternative is SQLite, which is both free and Open Source. Other great apps like PostgreSQL are MySQL Community Edition, MariaDB, MongoDB and Microsoft SQL Server.
Vertica is a grid-based, column-oriented database designed to manage large, fast-growing volumes of data and provide very fast query performance when used for data warehouses and other query-intensive applications.
MindsDB transforms data interaction with a cognitive engine unifying structured and unstructured petabyte-scale data, supporting AI model management, integrations, and automation while enhancing decision-making capabilities and transparency for operators across various platforms.
United States
Clustrix is the leading scale-out SQL database engineered for the cloud. With Clustrix, you can scale transaction throughput, run real-time analytics, and simplify operations.
FerretDB (formerly MangoDB) is an open-source proxy, which converts MongoDB wire protocol queries to SQL, and uses PostgreSQL as a database engine.
Filesystem-backed document DBMS in Rust where every record is a Git-versionable JSON file with automatic cryptographic integrity for compliance-critical systems.
TimesTen is a memory-optimized, relational database management system with persistence and recoverability. Originally designed and implemented at Hewlett-Packard labs in Palo Alto, California, TimesTen was spun out into a separate startup in 1996 and acquired by Oracle...
The Starcounter database is built with the real-time systems of today in mind. Real-time systems supporting thousands or millions of simultaneous users. Systems like online stores, location-based services or banking applications.
Actian PSQL combines a NoSQL transactional engine and a SQL relational engine to deliver a zero-DBA database platform for business applications.
SQLMachine is a freeware, safe, scalable and adequate performance client-server side architectural SQL DBMS. (Database Management System).
Mimer SQL is an SQL-based relational database management system from the Swedish company Mimer Information Technology AB (formerly: Upright Database Technology AB), which has been developed and produced since the 1970s.
Sweden
EU
