Firebird has a large community around the world, where people will be glad to help newbies and experienced developers to get answers to almost all tricky questions. Please join to the appropriate local or global Firebird support mailing lists to get free support.
Below are recommended options for one-time and on-going support: from FirebirdSQL Shop:
Do you need to quickly resolve Firebird performance or recovery problem? Below are one-time incident service options:
Running critical Firebird databases across multiple servers? Whether on your own hardware, in the cloud, or at customer sites, Firebird ongoing support delivers the speed, security, and monitoring you need:
Whether you need custom Firebird modifications (for example, custom build without specific keywords), support for uncommon platforms (rare versions of Linux, uncommon CPUs, etc), or other tailored solutions, our special support services are designed to address these complex requirements.
Contact us to discuss your specific needs.