Aldaviva 

Rate-limit your actions and funcs by throttling and debouncing them. Retry when an exception is thrown.

Convert and format data size units in .NET (bits, bytes, kilobits, kilobytes, and others).

Trigger, acknowledge, and resolve Alerts and create Changes using the PagerDuty Events API V2.

Enable native Windows dark mode for your WPF and Windows Forms title bars.

Declarative automatic state management in .NET with no boilerplate. Never deal with INotifyPropertyChanged again.

Fix egregiously broken or missing functionality in .NET libraries. Provide useful boilerplate, façades, and polyfills.

Fix egregiously broken or missing functionality in System.Net.Http.HttpClient.

A collection of .NET components that wrap PInvoke calls to access native API by managed code.

Disable writing UTF-8 byte order marks (BOMs)

Find when sunrise, sunset, and different twilights happen for a given location, based on the NOAA ESRL Solar Calculator. Features high accuracy across several millenia, atmospheric refraction, a simple... More information

Fix egregiously broken or missing functionality in NodaTime.

Fix egregiously broken or missing functionality in Microsoft.Extensions.Hosting dependency injection.

Control TP-Link Kasa smart outlets/plugs

Receive notifications when the .NET Runtime running your process gets upgraded to a new version, so you can restart your process and avoid crashing later.

Read and write VisualElementsManifest XML files that define styles for programs' Start tiles in Windows ≥ 8.

Gandi LiveDNS API client that can create, read, update, and delete DNS records

C# xAPI for Cisco collaboration endpoints

Automatically generate a strongly-typed, type-safe client for a SignalR server based on shared interfaces.

Fix egregiously broken or missing functionality in .NET libraries that integrate with Windows APIs.

Send and receive events with a Behringer X-Touch Extender DAW MIDI control surface over USB.