Postgres
An object-relational database system that boasts a vast set of features and a growing community.
20 Alternatives To Postgres
Apache Druid
Fast column-oriented distributed data store
ArangoDB
A distributed open-source database with a flexible data model for documents, graphs, and key-values.
Cassandra
Manage a massive range of data fast and without losing.
CouchDB
HTTP + JSON document database with Map Reduce views and peer-based replication
DynamoDB
Amazon DynamoDB is a fast and flexible NoSQL database service for all applications that need consistent, single-digit millisecond latency at any scale. It is a fully managed cloud database and supports both document and key-value store models.
ElasticSearch
Elasticsearch is an open source, distributed, RESTful search engine.
Graphite
Graphite is a highly scalable real-time graphing system.
InfluxData
Scalable datastore for metrics, events, and real-time analytics.
MariaDB
An enhanced, drop-in replacement for MySQL
MySQL
The world’s most popular open source database
OpenTSDB
OpenTSDB is a distributed, scalable Time Series Database (TSDB) written on top of HBase.
Oracle DBaaS
See how Oracle Database 12c enables businesses to plug into the cloud and power the real-time enterprise.
OrientDB
OrientDB - The World’s First Distributed Multi-Model NoSQL Database with a Graph Database Engine.
PostgreSQL
PostgreSQL is a powerful, open source object-relational database system.
Prometheus
An open-source systems monitoring and alerting toolkit.
Redis
Redis is an open source in-memory data structure project implementing a distributed, in-memory key-value database with optional durability.
RethinkDB
The open-source database for the realtime web
SQLite
SQLite Home Page
TimescaleDB
TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
memcached
High-performance, distributed memory object caching system