As of Nov 1st 2016, active development on "Windows for OpenSSH" is being done in https://github.com/PowerShell/openssh-portable.
This repo (https://github.com/PowerShell/Win32-OpenSSH) is being maintained to keep track of releases and issues and because it contains the wiki which has instructions for building.
Please see our Code of Conduct before participating in this project.
For any security issues, please see our Security Policy.