An in-memory database that persists on disk
H2 is an embeddable RDBMS written in Java
High performance NoSQL database based on bitcask
Embeddable, replicated and fault tolerant SQL engine
Irmin is a distributed database
Apache IoTDB
DLE provides blazing-fast database cloning to build dev environments
GridDB is a next-generation open source database
High performance datastore for time series and tick data
DataFrame server for financial timeseries data
Distributed database ecosphere
A relentless key-value store for the browser
An Embedded NoSQL, Transactional Database Engine
An Internet-scale database
In-memory NoSQL database with ACID transactions, Raft consensus, etc.
A server and database monitoring platform.
Big Sack: A lightweight Java Key/Value store with undo and disk cache.
Small, Fast, dBase/FoxPro compatible database library (Cheetah4.dll)
Fast customizable time series web database for big data like log files
A MySQL database wrapper written in PHP