Jaybird JCA/JDBC driver is released under the LGPL license, though the JDBC-extension interfaces are released under the modified BSD license. See licensing for more information. The source code can be obtained from the Subversion repository of the Firebird project at http://sourceforge.net/projects/firebird (under client-java)
The client-java folder of the Firebird Subversion repository follows normal Subversion conventions:
trunk contains the current developmentbranches contains branches for development of released versions (eg Branch_2_2) and feature branchestags contains version release tags (eg Jaybird_2_2_2)Developer access requires a SourceForge account and access to the Firebird project