Microsoft has released free Visual Studio Code for Windows,Linux and Mac. Visual Studio Code is a free code editor with support for IntelliSense, debugging, and GIT.
support for always-on IntelliSense code completion
semantic code understanding and navigation
keyboard support with customizable bindings
built-in support for ASP.NET 5 development with C#
HTML, CSS, LESS, SASS, and JSON.
C++, jade, PHP, Python, XML, Batch, F#, DockerFile, Coffee Script, Java, HandleBars, R, Objective-C, PowerShell, Luna, Visual Basic, Markdown.