MySQL Community Edition is the freely downloadable version of the world's most popular open source database. It is available under the GPL license and is supported by a huge and active community of open source developers.

The MySQL Community Edition includes:

Pluggable Storage Engine Architecture
Multiple Storage Engines:
- InnoDB
- MyISAM
- NDB (MySQL Cluster)
- Memory
- Merge
- Archive
- CSV
- and more
MySQL Replication to improve application performance and scalability
MySQL Partitioning to improve performance and management of large database applications
Stored Procedures to improve developer productivity
Triggers to enforce complex business rules at the database level
Views to ensure sensitive information is not compromised
Performance Schema for user/application level monitoring of resource consumption
Information Schema to provide easy access to metadata
MySQL Connectors (ODBC, JDBC,.NET, etc) for building applications in multiple languages
MySQL Workbench for visual modeling, SQL development and administration