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I like to develop software with C# for .NET (and sometimes TypeScript...), and do so in the open for all developers to benefit from where I can.

As well as publishing open source projects as NuGet packages, I also maintain a number of projects that serve as examples of approaches to different problems I've encountered and solved along the way.

Projects I regularly contribute to and/or help maintain include:

I also enjoy contributing issues, fixes and new features to others' projects to give back to the community and improve the ecosystem as a whole when I encounter issues and have suggestions for new features and/or improvements.

@martincostello

Having a small number of community sponsors would help keep me contributing to open source projects for the .NET community.

Current sponsors 5

@sebastienros
@halter73
@kevinchalet
@captainsafia
@aws

Past sponsors 3

@benaadams
@NikolaiTsepalov
Private Sponsor

Featured work

  1. App-vNext/Polly

    Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and …

  2. aspnet-contrib/AspNet.Security.OAuth.Providers

    OAuth 2.0 social authentication providers for ASP.NET Core

  3. martincostello/sqllocaldb

    SQL LocalDB Wrapper is a .NET library providing interop with the Microsoft SQL Server LocalDB Instance API

  4. martincostello/xunit-logging

    Logging extensions for xunit

  5. martincostello/lambda-test-server

    A NuGet package that provides an in-memory test server for testing AWS Lambda functions

    C# 29
  6. martincostello/dotnet-minimal-api-integration-testing

    An example of integration testing ASP.NET Core Minimal hosting and APIs

50% towards 10 monthly sponsors goal

@kevinchalet @sebastienros
@halter73 @aws @captainsafia

kevinchalet and 4 others sponsor this goal

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$ a month

You'll receive any rewards listed in the $10 monthly tier. Additionally, a Public Sponsor achievement will be added to your profile.

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A simple tier to sponsor my ongoing open-source activity.

$10 a month

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A slightly more generous tier to sponsor my ongoing open-source activity.