| Driver | 64-Bit Support | Cost | |--------|----------------|------| | | Yes | Free for basic use | | Easysoft | Yes | Commercial | | Microsoft ODBC for Oracle | No (deprecated) | N/A |

If you have found yourself searching for you are likely facing a compatibility issue, attempting to connect a 64-bit application (like a modern Windows Server or a 64-bit version of PL/SQL Developer) to an older Oracle database.

If your legacy app is Java-based, you do not need the Oracle Client at all. Use the (ojdbc14.jar or ojdbc6.jar). It connects directly over TCP/IP.

On Windows, the 10g ODP.NET provider does not fully support modern .NET Framework versions. On Linux, it requires an ancient libstdc++ and may crash with newer glibc.

For Linux x86-64, select the corresponding Linux version.