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 1.8

  updates

Viscosity 1.8 is now available for both macOS and Windows! This is a big update, with significant performance improvements for VPN connections. Both macOS and Windows users should immediately notice their OpenVPN connections connecting faster, with slightly lowered CPU usage. Windows users should also notice significantly improved maximum throughput on high-speed network connections. A traffic graph has also been added to the main menu, providing a quick overview of how your VPN... Read Post »

Viscosity For Mac & Windows: Version 1.7.16

updates

Viscosity version 1.7.16 is now available for both macOS and Windows! This update is primarily a small maintenance release with a focus on bug fixes and minor enhancements. The Mac update addresses a regression that could result in reachability checks to fail...
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Viscosity For Mac & Windows: Version 1.7.15

updates

Viscosity version 1.7.15 is now available for both Mac and Windows! This version includes U2F and PKCS#11 improvements, updated versions of both OpenVPN and OpenSSL, and a number of fixes and improvements for both platforms. We've placed a focus on two-factor...
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Viscosity For Mac & Windows: Version 1.7.14

updates

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...
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