Having C# projects would be nice

[Rene]

I think C# is becoming a great language and should be mentioned in the list. Thanks.

[Isaak]

@rblath They will soon.

[Shahid Khan]

i will suggest ....
https://github.com/NancyFx/Nancy
https://github.com/dotnet/corefx
https://github.com/dotnet/roslyn
https://github.com/Azure/DotNetty
https://github.com/cake-build/cake
https://github.com/opentk/opentk
https://github.com/nunit/nunit
https://github.com/ravendb/ravendb
https://github.com/OrchardCMS/Orchard2

[Isaak]

@shahid-pk Good list. I will add all. Thank you!