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 Windows: Version 1.12

  updates

Viscosity 1.12 is now available for Windows! This is a big update, bringing the Windows version to feature parity with the recent 1.12 update for macOS. It includes expanded SAML authentication support, HTTP and SOCKS proxy support improvements, general performance upgrades and enhancements, and many other new features and bug fixes. As with the Mac version, this update expands Viscosity's SAML authentication support to work with two custom implementations: Amazon's AWS Client VPN SAML... Read Post »

Viscosity For Mac: Version 1.12

updates

Viscosity 1.12 is now available for macOS! This is a big update, with new web authentication features, expanded SAML support, improved support for macOS 26 (Tahoe), proxy support improvements, behind-the-scenes upgrades and enhancements, and many other new features...
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Viscosity For Mac & Windows: Version 1.11.5

updates

Version 1.11.5 of Viscosity has been released for both macOS and Windows! This update includes performance improvements, updated versions of OpenVPN (2.6.14) and OpenSSL (3.0.16), as well as many improvements and bug fixes for both platforms. In particular, we've...
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Viscosity For Windows: Version 1.11.4

updates

Viscosity version 1.11.4 is now available for Windows! It brings improvements to the DNS engine, an updated version of OpenSSL, as well as many small bug fixes and enhancements. In particular, the performance of the DNS engine for both Full and Split DNS has been...
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