MonoDevelop, MonoMac, and Mono itself are still all open source.
http://github.com/mono/monodevelop
http://github.com/mono/monomac
http://github.com/mono/maccore
Xamarin also has a number of open source modules on github: https://github.com/xamarin
http://github.com/mono/monodevelop
http://github.com/mono/monomac
http://github.com/mono/maccore
Xamarin also has a number of open source modules on github: https://github.com/xamarin
My blogging has gone down, due to twitter mostly, but this is a good chance to talk about our open source work.
Cheers! Miguel
I look forward to your blog post.