Mageia 1 a Firebird friendly new distribution
Mageia 1 is here : http://blog.mageia.org/en/
It is a community driven project and a Firebird friendly distribution with Firebird 2.5.0, PHP, PHP-pdo, Perl, Ruby drivers, Rails adapter, Flamerobin, and Python drivers (kinterbasdb and firebirdsql).
You can read more on Philippe Makowski’s blog