Introducing the HTML5 “Menu” and “Menuitem” Elements 

ReSharper 2021.2: Updates to C# Code Analysis, Nullable Reference Types, and Source Generators and Introducing HttpClient URI Support! | The .NET Tools Blog 

Over 39,000 Unauthenticated Redis Instances Found Exposed on the Internet 

We’re excited to announce a new open source project on GitHub from the WCF team at Microsoft.  This new version of WCF targets .NET Core and has been donated to the family of .NET Foundation open source projects.

Feather is a collection of simply beautiful open source icons. Each icon is designed on a 24x24 grid with an emphasis on simplicity, consistency and readability

Dapr is an open-source, portable, event-driven runtime that allows developers to build resilient, microservices-based, stateless, and stateful applications that run on the cloud and edge.  

Swift, Apple's powerful new programming language, is now open source on GitHub. Developers can submit bug fixes and enhancements, and help bring the language to new platforms. 

An open source IDE for React Native, web, and native mobile development, built on top of Atom to provide hackability, and backed by an active community. 

8 Free and Open Source Blazor UI Libraries 

Open source library containing known sorting and searching algorithms.