PostgreSQL is a powerful open-source database, but many business applications still need ODBC to connect to it. Reporting tools, BI platforms, ETL systems, spreadsheets, and legacy applications often rely on ODBC drivers to read and write PostgreSQL data. Because of that, choosing the right ODBC driver is not just a technical detail. It can affect performance, compatibility, security, support, and long-term maintenance.

There are many PostgreSQL connectivity options, but this article focuses on four practical ODBC driver choices:

Free tools:

1. psqlODBC

2. SQLite/ODBC->

Commercial tools:

1. Devart ODBC Driver for PostgreSQL

2. Progress DataDirect PostgreSQL ODBC Driver

The key decision is whether your project needs a low-cost, community-supported driver or a commercial driver with stronger vendor support, broader compatibility, and enterprise-oriented features.

What Is an ODBC Driver for PostgreSQL?

ODBC stands for Open Database Connectivity. It is a standard interface that allows applications to connect to databases without needing a custom connector for each database engine. A PostgreSQL ODBC driver translates requests from ODBC-compatible applications into commands PostgreSQL can understand.

  • Common use cases include:
  • Connecting Microsoft Excel to PostgreSQL
  • Building dashboards in Power BI or Tableau
  • Moving data through ETL tools
  • Supporting legacy Windows applications
  • Connecting Linux or macOS applications through unixODBC
  • Running reporting jobs against PostgreSQL databases

A good ODBC driver should handle SQL execution, data type mapping, Unicode, SSL connections, authentication, large result sets, and error reporting reliably.

Free Tool #1: psqlODBC

psqlODBC is the official PostgreSQL ODBC driver. It is maintained by the PostgreSQL community and released under the LGPL license. It is available in source and binary formats, making it the most common free starting point for PostgreSQL ODBC connectivity.

psqlODBC is often the best free option because it is directly connected to the PostgreSQL ecosystem. It supports standard PostgreSQL access and is widely recognized by developers and database administrators.

Key advantages of psqlODBC

    • Free and open source
    • Official PostgreSQL ODBC driver
    • Good for standard PostgreSQL connectivity
    • Suitable for development, testing, and internal tools
    • Available through common package managers
    • Strong fit for teams with PostgreSQL expertise

    Key limitations of psqlODBC

      • Less vendor->
      • May require more manual configuration
      • Troubleshooting depends heavily on internal expertise
      • Compatibility testing with BI and ETL tools is mostly your responsibility
      • Advanced enterprise features may be limited compared with commercial drivers

      psqlODBC is a strong choice when cost matters most and your team is comfortable managing configuration and troubleshooting. It is especially useful for developers, small projects, prototypes, and organizations that prefer open-source software.

      Free Tool #2: Open-Source unixODBC-Based PostgreSQL Setups

      The second free approach is not a single PostgreSQL driver in the same way as psqlODBC. Instead, it is a common open-source setup that uses an ODBC driver manager such as unixODBC together with PostgreSQL-compatible ODBC components. This approach is especially common on Linux and Unix-like systems.

      unixODBC itself is a driver manager. It does not replace the PostgreSQL driver, but it helps applications manage ODBC connections, data source names, and driver configuration. In many free PostgreSQL ODBC deployments, unixODBC is used together with psqlODBC or other open-source components to provide application-level connectivity.

      This approach is useful when teams want a fully open-source stack and are comfortable configuring drivers manually.

      Key advantages of unixODBC-based setups

        • Free and open-source-oriented
        • Common in Linux and Unix environments
        • Flexible for custom deployments
        • Works well for technical teams
        • Can be scripted and automated
        • Useful for servers, containers, and internal tools

        Key limitations of unixODBC-based setups

          • More setup complexity
          • Not a standalone PostgreSQL commercial-grade driver
          • Requires knowledge of driver managers and DSN configuration
          • Support depends on community documentation and internal skill
          • May be harder for non-technical users to maintain

          This option works best for technical teams that already use Linux, automation, containers, or custom infrastructure. It is less ideal for business users who simply want a polished installer and vendor support.

          Commercial Tool #1: Devart ODBC Driver for PostgreSQL

          Devart ODBC Driver for PostgreSQL is a commercial driver designed for high-performance PostgreSQL connectivity from ODBC-compliant applications. Devart states that its driver works with more than 200 ODBC-compliant reporting, analytics, BI, and ETL tools, and supports both 32-bit and 64-bit Windows, macOS, and Linux. It also supports standard ODBC API functions and data types.

          This makes Devart a strong option for businesses that need PostgreSQL connectivity across many tools and platforms. It is especially useful when the database connection supports reporting, analytics, automation, or production workflows.

          Key advantages of Devart ODBC Driver for PostgreSQL

            • Commercial support
            • Cross-platform support for Windows, macOS, and Linux
            • 32-bit and 64-bit support
            • Compatibility with 200+ ODBC-compliant tools
            • Good fit for BI, ETL, reporting, and analytics
            • Standard ODBC API and data type support
            • Easier deployment than many manual open-source setups
            • Useful for teams that want reliable PostgreSQL access without heavy troubleshooting

            Key limitations of Devart ODBC Driver for PostgreSQL

              • Paid license
              • May be more than very small projects need
              • Requires budget approval in some organizations
              • Vendor dependency compared with open-source options

              Devart is often the best middle-ground commercial option. It is more polished and support-oriented than free tools, but it is also practical for everyday business use. For teams that use Power BI, Excel, Tableau, ETL tools, or custom ODBC applications, Devart can reduce setup time and compatibility problems.

              Commercial Tool #2: Progress DataDirect PostgreSQL ODBC Driver

              Progress DataDirect PostgreSQL ODBC Driver is another commercial option, usually aimed at enterprise environments. Progress highlights broad platform availability, including Windows, Linux, Solaris, and AIX versions. Progress also describes its PostgreSQL connectivity as standards-compliant and suitable for major applications such as Power BI, Tableau, Informatica, Cognos, SAS, and BusinessObjects.

              DataDirect is typically a strong fit for larger companies with complex infrastructure, strict reliability needs, or enterprise reporting requirements.

              Key advantages of Progress DataDirect PostgreSQL ODBC Driver

                • Enterprise-grade commercial driver
                • Broad platform support
                • Strong fit for large organizations
                • Designed for production reporting and integration
                • Certified or positioned for use with major BI and analytics tools
                • Advanced enterprise connectivity features
                • Professional vendor support

                Key limitations of Progress DataDirect PostgreSQL ODBC Driver

                  • Usually higher-cost than free tools
                  • May be excessive for small projects
                  • Enterprise feature set can be more complex than needed
                  • Best suited to larger IT environments

                  Progress DataDirect is a good choice when PostgreSQL connectivity is part of a mission-critical enterprise architecture. It is less likely to be the first choice for a small team that only needs a simple Excel-to-PostgreSQL connection.

                  Key Differences: Free vs Commercial PostgreSQL ODBC Drivers

                  The most important difference is not just price. It is the level of responsibility your team wants to carry.

                  Free drivers are best when:

                    • Budget is limited
                    • The project is small or internal
                    • Your team has PostgreSQL experience
                    • Manual configuration is acceptable
                    • Community support is enough
                    • You prefer open-source tools
                    • You can troubleshoot driver issues yourself

                    Commercial drivers are best when:

                      • The connection is business-critical
                      • Reports or dashboards must be reliable
                      • You need vendor support
                      • You use multiple BI, analytics, or ETL tools
                      • You need easier deployment
                      • You want better cross-platform consistency
                      • Downtime would be expensive
                      • Your users are not database specialists

                      Why Devart Deserves Special Attention

                      Among the commercial choices, Devart ODBC Driver for PostgreSQL is especially attractive for many organizations because it balances functionality, usability, and platform support. It supports Windows, macOS, and Linux, works in both 32-bit and 64-bit environments, and is designed for use with ODBC-compliant BI, ETL, reporting, and analytics tools.

                      The main reason to choose Devart is practical reliability. Many teams do not need the most complex enterprise driver available, but they do need something easier to deploy and support than a purely free setup. Devart fits that space well.

                      Devart is a strong choice when:

                        • You need PostgreSQL data in BI or reporting tools
                        • You want commercial support
                        • You use Windows, macOS, and Linux
                        • You need both 32-bit and 64-bit compatibility
                        • You want to reduce manual troubleshooting
                        • You need a business-ready PostgreSQL ODBC driver

                        Summary

                        For small projects, development environments, and open-source-first teams, psqlODBC is usually the best free PostgreSQL ODBC driver. For Linux-heavy teams that want flexible open-source configuration, a unixODBC-based setup can also work well.

                        For business and production environments, commercial drivers are often worth the cost. Devart ODBC Driver for PostgreSQL is a strong choice for teams that want broad compatibility, cross-platform support, and a practical commercial solution for BI, ETL, reporting, and analytics. Progress DataDirect is best for larger enterprise environments with complex infrastructure and demanding support requirements.

                        The simplest way to decide is this:

                          • Choose psqlODBC for free, official, community-supported PostgreSQL connectivity.
                          • Choose unixODBC-based open-source setups for flexible Linux and server-side deployments.
                          • Choose Devart ODBC Driver for PostgreSQL for business-ready commercial connectivity with strong cross-platform support.
                          • Choose Progress DataDirect for enterprise-scale deployments with advanced support and platform requirements.