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Great apps are what we do.

Viscosity is a first class VPN client that lets you secure your network with ease & style.

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About SparkLabs

SparkLabs is a small independent company that creates powerful software for desktop and mobile. We were founded in early 2008 and we've been working on designing and developing beautiful software ever since.

We strive to bring powerful computing technologies to all users through apps with beautiful intuitive designs with a focus on network security and user privacy. We at SparkLabs take pride in developing software that our users love.

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Recent News

Viscosity For Mac & Windows: Version 1.7.14


Viscosity version 1.7.14 is now available for both Mac and Windows! This is a maintenance update that resolves a number of small regressions that unfortunately snuck into the 1.7.13 release, as well as a number of additional minor bug fixes. In particular, this update fixes an issue that could cause certain OpenVPN files to be blocked from loading under the new Windows sandbox. If you received an error message similar to "Cannot load certificate file" in your connection log with... Read Post »

Viscosity For Mac & Windows: Version 1.7.13


Viscosity version 1.7.13 is now available for both Mac and Windows! This version includes security and performance enhancements for the Windows release, an updated version of OpenSSL, and a number of small tweaks and improvements for both platforms. Previously...
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Viscosity For Mac & Windows: Version 1.7.12


Version 1.7.12 of Viscosity has been released for both macOS and Windows! Along with a number of improvements and bug fixes, this release adds improved support for macOS 10.14 (Mojave), including Dark Mode support. Also on the macOS side of things, this release...
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OpenVPN Configuration Generator


We're pleased to annouce the release of a new simple tool designed to make it much easier to get started running an OpenVPN server. OpenVPN Configuration Generator, or simply openvpn-generate, can handle generating OpenVPN server configuration files, and help...
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