An in-memory database that persists on disk
An Embedded NoSQL, Transactional Database Engine
Hypothetical Indexes for PostgreSQL
High performance NoSQL database based on bitcask
Apache IoTDB
Embeddable, replicated and fault tolerant SQL engine
H2 is an embeddable RDBMS written in Java
Scalable, fast, and disk-friendly vector search in Postgres
Command-line admin tool for observing and troubleshooting Postgres
Irmin is a distributed database
GridDB is a next-generation open source database
A relentless key-value store for the browser
Distributed database ecosphere
DLE provides blazing-fast database cloning to build dev environments
Relational Database
A tiny KV storage based on skiplist written in C++ language
High performance datastore for time series and tick data
K8ssandra is an open-source distribution of Apache Cassandra
DataFrame server for financial timeseries data
Front-end R&D tool set based on VS Code plug-in
A basic REST service for JSON data - enough for prototyping and MVPs
Columnar storage extension for Postgres
An Internet-scale database
Distributed "massively parallel" SQL query engine
An in-memory database based on the CouchDB REST API