...LocalStack was built on some of today’s best-of-breed mocking/testing tools, combining them and making them interoperable, and adding important functionality such as error injection and pluggable services. All this happening locally, without ever talking to the cloud.
A light-weight REST API development framework for ASP.Net 6
...Easy Server-Sent-Events for real-time data streaming. Supports any IOC container compatible with ASP.NET. Convenient integration testing (route-less & strongly-typed). Constructor & property injection of endpoint dependencies. Built-in uncaught exception handler. Easy model binding from route/query/json body/claims/forms/headers. Supports swagger/serilog/etc.
Typescript http client and server with zod validation
...Really simple centralized API declaration, typescript autocompletion in your favorite IDE for URL and parameters, and typescript response types. Parameters and responses schema thanks to Zod, response schema validation, and powerful plugins like fetch adapter or auth automatic injection.