I decided to share my clone of win-sshfs based on https://github.com/apaka/win-sshfs
I did some improvments for my needs. Current devel branch version seems to be very stable.

There are several changes, main differences:

• Windows 10 Support
• current Renci SSH (2014.4.6beta)
• solved few bugs like payload, 2 hosts and others
• Puttyant (Pageant) support
• settings files location is in fixed place (%localappdata%\WinSshFS)
• "spooldrive" - all remote hosts can by mount as mountpoint dir in one virtual drive
• archive flag of file in windows represents and controls permission for group:
  • ON => group have same rights as owner
  • OFF => same rights as others)
• Ability to use Proxy for connections
• Send Keepalive packets. (Not configurable, each 60sec hardcoded)
• I use different versioning: 1.5.12.5 = version.subversion.release.build

And probably others , see logs for details.