Apps similar to PostgreSQL include SQLite, which is free and open source. Other options are MySQL Community Edition, MariaDB, MongoDB and Microsoft SQL Server. Relational Databases like PostgreSQL are a crowded field, with more than 50 alternatives for Windows, Linux, Mac, self-hosting and the web.
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
