From the dotnetfirebird.org website:
Firebird is a compact, powerful, open source database. See a complete list of features and compare it with other database engines. Top features: * Ready for the Enterprise (full transaction control, stored procedures, triggers, views, BLOBs, auto increment fields, hot backup) * Embeddable (< 2 MB runtime size) * XCOPY Data Deployment * ADO.NET Provider * VS.NET Visual Design Support
fbembed.dll to your project, and set it's Build Action to Content, and Copy to Output Directory to Copy if newer.using FirebirdSql.Data.Firebird; statement. Now you have access to the various Firebird SQL classes such as FbConnection, FbConnectionStringBuilder, FbScript, FbDataAdapter, etc.