An
open source programming library that is a reimplementation of the
Tabular Data Stream protocol, used in place of db-lib or ct-lib libraries. FreeTDS allows different open source applications such as
Perl and
PHP (or your own C or
C++ program) to connect to Sybase or Microsoft
SQL Server. FreeTDS consists of two projects. The FreeTDS C libraries which supports supports db-lib, ct-lib, and ODBC, and FreeTDS/ JDBC which is a native
Java implementation of a Type 4 JDBC driver.