Shimo is not available for Windows but there are some alternatives that runs on Windows with similar functionality. The best Windows alternative is SoftEther VPN, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to Shimo and eight of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Shimo are Viscosity (Paid), Cisco AnyConnect (Paid), Securepoint VPN Client (Free, Open Source) and tunXten (Paid).
tunXten is a lightweight but powerful OpenVPN GUI client for the Windows platform. It takes OpenVPN usability to the next level by providing intuitive, easy to use way to handle an unlimited number of OpenVPN configurations.
OpenVPN Manager is a tool which controls OpenVPN. It is written in C# and uses the management interface of OpenVPN to control connections. Use the smart card feature in a simple way, enter passwords, monitor the OpenVPN log etc.
Front End to VPNC, a command line VPN client for Cisco VPN hardware. This client is known to work on: Windows 2000, Windows XP, Windows 2003, Windows Vista, Windows 2008 and Windows 7. It supports both 32 bit (x86) and 64 bit (x64/x86_64).