Database
Open source alternatives in the Database category
Apache Cassandra
Apache-2.0
Distributed NoSQL database designed to handle large amounts of data
Apache CouchDB
Apache-2.0
Document-oriented NoSQL database
Apache HBase
Apache-2.0
Distributed, scalable, big data store
ArangoDB
Apache-2.0
Multi-model database
ClickHouse
Apache-2.0
Real-time analytics database management system with high performance
CockroachDB
Apache-2.0
Cloud-native distributed SQL database
Couchbase
Apache-2.0
NoSQL database platform
DBeaver
Apache-2.0
Universal database tool and SQL client for developers and database administrators
Elasticsearch
Elastic License
Distributed RESTful search and analytics engine
InfluxDB
MIT
Scalable time series database
MariaDB
GPL-2.0
Open source relational database
MongoDB
SSPL
Document-oriented NoSQL database
MySQL
GPL-2.0
Open source relational database management system
Neo4j
GPL-3.0
Graph database platform
OpenCVE
Unknown
Open source alternative to MySQL
OrientDB
Apache-2.0
Multi-model database
PostgreSQL
PostgreSQL
Advanced open source relational database
Redis
BSD-3-Clause
In-memory data structure store
RethinkDB
Apache-2.0
Open source database for real-time web
Riak
Apache-2.0
Distributed NoSQL database
SQLite
Public Domain
Self-contained, serverless SQL database engine
TiDB
Apache-2.0
Open-source, cloud-native, distributed SQL database