MarkCiliaVincenti 

An asynchronous .NET Standard 2.0 library that allows you to fetch & cache current weather readings from the OpenWeather API, with built-in resiliency that can extend the cache lifetime in case the API is unreachable.

An asynchronous .NET Standard 2.0 library that allows you to lock based on a key (keyed semaphores), only allowing a defined number of concurrent threads that share the same key.

Allows loading of TLS (HTTPS) certificates for .NET 6.0 Kestrel web applications, allowing for refreshing of certificates as well as compatibility with HTTP/3. Includes optional middleware for using certificates obtained by Certbot.

Constants for common network ports.

A .NET Standard 2.0 library that provides a class that uses SemaphoreSlim but allows a negative initialCount. This could be used, for example, when starting to throttle requests but initially already have more concurrent requests than the maximum you want to start allowing.

Thread-safe list shuffle extension library, using Fisher-Yates shuffle and optional cryptographically-strong random.

An efficient thread-safe randomizer.

A library that allows resilient context.SaveChanges / SaveChangesAsync in Entity Framework Core, logging of long-running transactions and limiting of concurrent SaveChanges.