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Ranking > Open Source vs. Commercial

Popularity of open source DBMS versus commercial DBMS

Based on the measurements we are using for our ranking of database management systems, we analyze the popularity of open source tools compared to the popularity of commercial systems.

A system is classified as open source, when the source code is freely available and may be used and modified according to respective licenses.

Number of systems, November 2017

DB-Engines lists 337 different database management systems.
This pie chart shows the number of open source and commercial systems.

Popularity scores, November 2017

This pie chart compares the popularity of open source and commercial systems. It is calculated by summing up the popularity (i.e. the ranking scores) of all individual systems.

Popularity trend


The above chart shows the historical trend of the popularity of open source and commercial database management systems.

Popularity broken down by database model, November 2017


This chart demonstrates that the popularity of open source tools heavily depends on their database model.

The top 5 commercial systems, November 2017

RankSystemScoreOverall Rank
1.Oracle13601.
2.Microsoft SQL Server12153.
3.DB21946.
4.Microsoft Access1337.
5.Teradata7812.

The top 5 open source systems, November 2017

RankSystemScoreOverall Rank
1.MySQL13222.
2.PostgreSQL3804.
3.MongoDB3305.
4.Cassandra1248.
5.Redis1219.





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4D event
4D Summit 2018 Paris
Paris, France
20-22 March 2018
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New York City, USA
26-27 February 2018
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MarkLogic World 2018
San Francisco, California, USA
7-10 May 2018


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