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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, April 2021

DB-Engines lists 370 different database management systems.
This pie chart shows the number of open source and commercial systems.

Popularity scores, April 2021

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, April 2021


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

The top 5 commercial systems, April 2021

RankSystemScoreOverall Rank
1.Oracle12751.
2.Microsoft SQL Server10083.
3.IBM Db21586.
4.Microsoft Access11710.
5.Splunk8813.

The top 5 open source systems, April 2021

RankSystemScoreOverall Rank
1.MySQL12212.
2.PostgreSQL5544.
3.MongoDB4705.
4.Redis1567.
5.Elasticsearch1528.





Upcoming Events

» more DBMS events
ScyllaDB event
NoSQL and NewSQL: Tradeoffs between Scalable Performance & Consistency
Webinar, 10 AM PT / 1 PM ET / 6 PM GMT
29 April 2021
MongoDB event
An Introduction to MongoDB Query API
Webinar, EMEA/APAC: April 21st, 10am GMT; AMER: April 22nd, 9am PDT
21-22 April 2021
Grakn event
Grakn Orbit 2021
Online Event
21-22 April 2021


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