We are SparkLabs.

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 1.9

  updates

Viscosity 1.9 is now available for both macOS and Windows! This is one of our biggest updates yet, with significant changes under-the-hood and many new features. One of the most anticipated additions in version 1.9 is support for macOS 11 (Big Sur). Viscosity now supports and integrates with macOS 11, and all of Viscosity's existing functionality is fully supported (including TAP support - more on that below). We've also ported Viscosity to have complete native support for the upcoming... Read Post »


Viscosity For Mac & Windows: Version 1.8.6

updates

Viscosity version 1.8.6 is now available for both macOS and Windows! This update brings a number of small improvements, updated OpenVPN and OpenSSL versions, two-factor authentication enhancements, and small bug fixes. In particular, on the macOS side U2F support...
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Viscosity For Mac & Windows: Version 1.8.5

updates

Viscosity version 1.8.5 is now available for both macOS and Windows! This update is primarily a maintenance release to keep Viscosity and your VPN connections running smoothly. In light of the COVID-19 pandemic, we've limited this update to bug fixes and small...
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Viscosity For Mac & Windows: Version 1.8.4

updates

Viscosity version 1.8.4 is now available for both macOS and Windows! This update includes two-factor token authentication improvements, an updated version of OpenSSL for OpenVPN 2.3, a low-severity security fix, and a number of small bug fixes and improvements for...
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