While we decided a long time ago that we wouldn’t be open-sourcing the core Stack Exchange Q&A engine, we do try very hard to open source as many useful parts of our code as we can.
As Stack Overflow is one of the most prominent Microsoft .NET-created sites for software developers in the world, we feel that it’s part of our mission to help lead fellow .NET developers — and the most effective way to do that is by contributing some of the code that we use to build Stack Overflow and Stack Exchange back to the greater .NET developer community as reusable open source packages. …