It looks like it has been replaced by this module.

jean · jean · commit efdcb65ac30b · 2019-02-13T15:31:09.000+07:00
diff --git a/implementations/index.md b/implementations/index.md
@@ -240,6 +240,7 @@ the moment.
 
 * [JsonApiNet](https://github.com/l8nite/JsonApiNet) lets you quickly deserialize JSON:API documents into C# entities. Supports compound documents, complex type mapping from attributes, attribute mapping, and more. [See the README](https://github.com/l8nite/JsonApiNet/blob/master/README.md) for full details.
 * [NJsonApi](https://github.com/jacek-gorgon/NJsonApi) is a .NET server implementation of the standard. It aims at good extensibility and performance while maintaining developer-friendliness with interchangable convenions and builder-style configuration.
+* [Migrap.AspNetCore.Hateoas](https://github.com/migrap/Migrap.AspNetCore.Hateoas) HATEOAS (Hypermedia as the Engine of Application State) framework for ASP.NET Core. Current implementation(s): Siren, JsonApi.
 * [Saule](https://github.com/joukevandermaas/saule/) is a small JSON:API 1.0 compatible library that integrates well with established Web API conventions. It has complete documentation and near 100% test coverage.
 * [JsonApiDotNetCore](https://github.com/json-api-dotnet/JsonApiDotNetCore) is an ASP.Net Core server implementation targeting .Net Standard. Based on the [JR](https://github.com/cerebris/jsonapi-resources) implementation, it provides all the required controllers and middleware to get your application up and running with as little boilerplate as possible.
 * [Hypermedia.JsonApi.WebApi](https://github.com/cosullivan/Hypermedia/) is a Web API media type formatter for reading and writing JSON:API. It supports an external resource model definition and natively
