Hydra is an open source, column-oriented Postgres. Query billions of rows instantly, no code changes.
Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Software as a Service (SaaS)
- Self-Hosted
- Docker
United States



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.
Hydra is an open source, column-oriented Postgres. Query billions of rows instantly, no code changes.







A Postgres Database as a Service platform so you can focus on writing your app, not on becoming a database administrator.


An embedded database built on object storage. Unlike traditional LSM-tree storage engines, SlateDB writes data to object storage to provide bottomless storage capacity, high durability, and easy replication.


Amazon DynamoDB is a fully managed NoSQL database service offered by Amazon.com as part of the Amazon Web Services portfolio. It was announced by Amazon CTO Werner Vogels on January 18, 2012.OverviewDynamoDB differs from other Amazon services by allowing developers to purchase a...

NuoDB is a distributed database that can be deployed in any datacenter, in any cloud, anywhere, without the compromises inherent in other New SQL solutions.
Marple DB is a high-performance database designed for processing and standardising time series data from measurement files.




CUBRID is a comprehensive GPL/BSD open source relational database management system highly optimized for Web Applications. CUBRID is being developed in C/C++. Includes native HA, online hot backup, and other features. JDBC, PHP, ODBC/.NET, Ruby & Python APIs.
SAP HANA is a completely re-imagined platform for real-time business.
It transforms business by streamlining transactions, analytics, planning, predictive, sentiment data processing on a single in-memory database so business can operate in real-time.
H2 is a relational database management system written in Java. It can be embedded in Java applications or run in the client-server mode. The disk footprint (size of the jar file) is about 1 MB.