H2 is an in memory java sql database with a fast jdbc api and small footprint.
Open source in memory database.
Altibase corporation 1999 java c c jdbc odbc sql open source gnu agplv3 gnu lgplv3 for client libraries hybrid dbms that combines an in memory database with a conventional disk resident database in a single unified engine.
Open source agpl flash optimized in memory open source nosql database.
It can be used as a database a message broker and a cache as well.
It offers a small fast database engine which offers in memory and disk based tables and supports embedded and server modes.
It is a relational database engine written in java with a jdbc driver conforming to ansi sql 2008.
Redis is an open source bsd licensed advanced key value cache and store.
One of the best open source databases for that is timescale.
Ncache is built to provide a fast and linearly scalable distributed cache that caches application data and reduces expensive database trips.
Sonicjs is a modern open source nodejs based content management system.
Aerospike is an open source in memory nosql database management system.
Ncache is a 100 net net core open source in memory distributed cache.
It s a key value data store that enables developers to build personalized user experiences and data driven applications that scale out to process millions of transactions per second with sub millisecond response times.
Clojure clojure library in memory database updated apr 19 2020.
It s different from a traditional database in that time is the primary axis of concern and the analytics and visualization of massive data sets is a top priority.
Redis is a free open source database software which has an in memory data store structure.
Not all in memory database systems are relational.
Other features include disk or in memory databases 2 phase commit cost based optimisation and strong encryption.
Hypersql supports the widest range of sql standard features seen in any open source database engine.
The timescale is a type of what s called a time series database.
Aerospike nosql database is a open source clustered and distributed database optimized for reliable high performance in memory use.
15 of 15 free open source database management system.
Its primary key focus delivers scalable and robust no single point of failure clustering.
Comprehend supports pattern matching forward matching rewriting and transactional storage.
It operates in embedded and server modes with clustering support.
