http://www.easysoft.com/products/data_access/index.html
The Easysoft ODBC-Sybase Driver is the most efficient and performance-oriented driver you can get for connecting your applications to Sybase.Developed for Sybase Adaptive Server Enterprise (ASE), this driver lets your ODBC-enabled applications access Sybase ASE 12.5.x and 15+ (including Sybase ASE Express Edition) from Linux and major Unix platforms.
Easysoft (http://www.easysoft.com/)