The Best 13 Viscosity Alternatives

  • Tunnelblick

    Tunnelblick is a free, open source graphic user interface for OpenVPN on OS X and macOS. It provides easy control of OpenVPN client and/or server connections.

    Free Open Source Mac OS X

  • fruho

    fruho is an open-source, zero-configuration VPN manager. It supports automatic setup and allows easy switching between VPN providers.

    Free Open Source Linux

  • WireGuard

    WireGuard is an extremely simple yet fast and modern VPN that utilizes state-of-the-art cryptography. It aims to be faster, simpler, leaner, and more useful than IPSec, while avoiding the massive headache.

    Free Open Source Linux

  • OpenVPN Finder

    Display up-to-date list of free OpenVPN config files provided by VPN Gate (University of Tsukuba).

    Free Open Source Mac OS X Linux Chrome OS

  • Oast

    OAST is a cross-platform front-end (GUI) for OpenVPN-client, allowing to manage multiple. Its quite simple in use and provides base functionality such as monitoring...

    Free Windows Linux

  • tunXten

    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...

    Commercial Windows

  • OpenVPN Manager

    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...

    Free Open Source Windows

  • OpenVPN MI GUI

    OpenVPN MI GUI is a Windows graphical user interface for the OpenVPN client management interface. It is based on the OpenVPN GUI by Mathias Sundman (version 1.0.3...

    Free Open Source Windows

  • toi

    toi is a fork of Oast - the project I've started together with chlen.nigera and which was being worked for some time. toi has functional similar to that of Oast but...

    Free Open Source Windows Linux