This is a great article on building a .Net application on the MAC OS with the new ASP.NET 5, cross-platform framework.
Getting started with ASP.NET 5 and Visual Studio Code on a Mac - https://www.twilio.com/blog/2015/08/getting-started-with-asp-net-5-and-visual-studio-code-on-a-mac.html
The only tools you’ll need:
- A Mac computer running Yosemite or above
- Homebrew package manager
- Visual Studio Code