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 1.7.6


Viscosity version 1.7.6 is now available for both Mac and Windows! This update is primarily a maintenance release that includes a number of fixes and improvements, workarounds for some small macOS 10.13 bugs, and an OpenSSL update to version 1.0.2n. Version 1.7.6 Mac Release Notes: Support for longer username, password, and challenge responses, OpenSSL updated to version 1.0.2n, Workaround for macOS 10.13 utun traffic reporting bug, Fixes session tokens not persisting across... Read Post »

Store and Licensing Improvements


We've been working hard to improve the experience of purchasing Viscosity, and so we're pleased to announce the improvements and changes we've made over the past year. While these are not as glamorous as feature additions to Viscosity itself, we hope these changes...
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SparkLabs Wins Bathurst Micro Business of the Year!


A special thank you to the Bathurst Business Chamber and Central NSW Business HQ for awarding SparkLabs as the winner of the "Excellence in Micro Business" category in the 2017 Carillon Business Awards! It's a terrific honour and a great surprise to...
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Viscosity For Mac & Windows: Version 1.7.5


Version 1.7.5 of Viscosity has been released for both Mac and Windows! This release includes a number of small improvements and bug fixes, and updates OpenVPN to versions 2.4.4 and 2.3.18. The OpenVPN updates address a potential security issue related to an old data...
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