# H2 Database Engine Welcome to H2, the free SQL database. The main feature of H2 are: Very fast, free for everybody, source code is included Written Java; can be compiled with GCJ (Linux) Embedded, Server and Cluster modes JDBC and (partial) ODBC API; Web Client application
### Download Version 1.0.63 (2007-12-02):
| Windows Installer (2.8 MB)
| All platforms (zip, 3.9 MB)
All Downloads
### Support English Google Group Japanese Google Group Or send an e-mail to:
### Performance Operations/second (higher is better) - More information about this test
### News Newsfeeds: Two are available: Full text (Atom) and Header only (RSS). Email Newsletter: Subscribe to H2 Database News (Google account required) to get informed about new releases. Your email address is only used in this context.
### Contribute You can contribute to the development of H2 by sending feedback and bug reports, or translate the H2 Console application (files h2/src/main/org/h2/server/web/res/_text_*.properties). Or click on the PayPal button below to donate money. You will be listed as a supporter:
### Feedback You may also send questions, feature requests, or feedback of any kind here: Email (optional): Message: