If you are looking for a totally free relational database, Firebird is your answer. Firebird is totally free to download and use for development. You can even distribute it for free as a part of your commercial software package.
Firebird Free database offers many ANSI SQL standard features. Firebird offers excellent concurrency, high performance, and powerful language support for stored procedures and triggers.
Despite being free, Firebird is as strong as a commercial database. It has been used in production systems since 1981!
Firebird is a true multi-platform free database, and is available for Windows, Linux, Solaris, HP-UX, FreeBSD, and MacOS X.
Firebird comes in 2 versions: Classic and Super Server.
- Classic is ideal for development on a stand-alone system, and if you just want to try out Firebird.
- Super Server is more suited for commercial applications accessing database over network.
Both the versions are fully changeable, and you can start with either.
Firebird Free database is suitable for use in a corporate enterprise environment, and in organizations looking to trim their IT budgets.
We really love this Free relational database, because it is Free, robust, open source, and can be used for production applications without any doubt. On top of that, it does not carries any limitations unlike the free version of Oracle. Love it! Download using link at the end.