MariaDB Connector/ODBC is a standardized, LGPL licensed database driver using the industry standard Open Database Connectivity (ODBC) API. It supports ODBC Standard 3.5, can be used as a drop-in replacement for MySQL Connector/ODBC, and it supports both Unicode and ANSI modes.
Connector/ODBC 3.0 is the current stable release series; 2.0 is the previous stable release series.
Connector/ODBC for MySQL should also generally work with MariaDB. (http://dev.mysql.com/downloads/connector/odbc/)
The most recent stable (GA) release of MariaDB Connector/ODBC is:
MariaDB Connector/ODBC 3.0.5