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Npgsql - .NET Access to PostgreSQL


Npgsql is an open source ADO.NET Data Provider for PostgreSQL, it allows programs written in C#, Visual Basic, F# to access the PostgreSQL database server. It is implemented in 100% C# code, is free and is open source.

In addition, providers have been written for Entity Framework Core and for Entity Framework 6.x.

Getting Help

The best way to get help for Npgsql is to post a question to Stack Overflow and tag it with the npgsql tag. If you think you've encountered a bug or want to request a feature, open an issue in the appropriate project's github repository.


Npgsql is licensed under the PostgreSQL License, a liberal OSI-approved open source license.


Current active contributors to Npgsql are:

  • Shay Rojansky
  • Yohdeadfall
  • Raif Atef
  • Austin Drenski
  • Emil Lenngren

Past contributors to Npgsql:

  • Jon Asher
  • Josh Cooley
  • Francisco Figueiredo Jr.
  • Federico Di Gregorio
  • Jon Hanna
  • Chris Morgan
  • Dave Page
  • Glen Parker
  • Brar Piening
  • Hiroshi Saito
  • Kenji Uno


A special thanks to Jetbrains for donating licenses to the project - Npgsql is developed with love on Rider on Linux.

Thanks also to Appveyor and Travis for their build platforms.