PostgreSQL

PostgreSQL is a powerful, open source object-relational database system. It has more than 15 years of active development and a proven architecture that has earned it a...

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MySQL Community Edition

MySQL Community Edition is a freely downloadable version of the world's most popular open source database that is supported by an active community of open source...

Free Open Source Mac Windows Linux BSD

MariaDB

MariaDB is a backward compatible, drop-in replacement of the MySQL® Database Server. It includes all major open source storage engines. The source code for...

Free Open Source Windows Linux BSD

MongoDB

MongoDB (from "humongous") is a scalable, high-performance, open source NoSQL database. The database is document-oriented so it manages collections of...

• Not an inherent vulnerability, but MongoDB admins should ensure they're avoiding common pitfalls by, among other things, blocking access to port 27017 or binding local IP addresses to limit access to servers. Lots of MongoDBs have been hijacked by hackers recently: http://arstechnica.com/security/2017/01/more-than-10000-online-databases-taken-hostage-by-ransomware-attackers/ JohnFastman • Jan 2017 • 1 agrees and 2 disagrees Disagree   Agree

Free Open Source Mac Windows Linux Web BSD

Microsoft SQL Server

SQL Server delivers on Microsoft’s Data Platform vision by helping your organization manage your data by enabling you to store data from structured, semi-structured, and...

• SQLite is an in-process database while SQL Server is a networked database. Guest • Aug 2018 • 1 agrees and 0 disagrees Disagree   Agree

Freemium Windows

CouchDB

Apache CouchDB is a distributed, fault-tolerant and schema-free document-oriented database accessible via a RESTful HTTP / JSON API. It includes incremental map /...

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RethinkDB

RethinkDB pushes JSON to your apps in realtime. When your app polls for data, it becomes slow, unscalable, and cumbersome to maintain. RethinkDB is the...

• Discontinued Commercial support was discontinued but will continue to live as open source but it's future is uncertain.

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Firebird

Firebird is a relational database offering many ANSI SQL-92 features that runs on Linux, Windows, and a variety of Unix platforms. Firebird offers excellent concurrency...

Free Open Source Mac Windows Linux

Oracle Database

Oracle Database delivers industry leading performance, scalability, security and reliability on a choice of clustered or single-servers running Windows, Linux, and UNIX....

Commercial Mac Windows Linux

H2 Database Engine

H2 is a relational database management system written in Java. It can be embedded in Java applications or run in the client-server mode. The disk footprint (size of the...

Free Open Source Mac Windows Linux

CockroachDB

Cockroach is a distributed key/value datastore which supports ACID transactional semantics and versioned values as first-class features. The primary design goal is...

Free Open Source Mac Linux BSD

ObjectBox

The first high-performance NoSQL, ACID-compliant, on-device database for mobile and IoT.

Free Open Source Web Android Self-Hosted

CouchBase

Couchbase is the NoSQL database market share leader, with production deployments at AOL, Deutsche Post, NTT Docomo, Salesforce.com, Turner Broadcasting Systems, Zynga...

Free Open Source Mac Windows Linux

Titan Database

Titan is a scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine...

Free Open Source Mac Windows Linux

Apache HBase

HBase is an open source, non-relational, distributed database modeled after Google's BigTable and is written in Java. It is developed as part of Apache Software...

Free Open Source Linux Web