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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 1.8.4

  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 both platforms. On the authentication side, a number of PKCS#11 issues have been addressed on both platforms, which should allow additional tokens and certificate/keys to be used for authentication. This should also resolve... Read Post »

Viscosity For Mac & Windows: Version 1.8.3

updates

Viscosity version 1.8.3 is now available for both macOS and Windows! This update is primarily a small maintenance release with bug fixes and minor enhancements. Most notably, Viscosity will now prompt to allow connections to OpenVPN setups with certificates where...
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Viscosity For Mac & Windows: Version 1.8.2

updates

Version 1.8.2 of Viscosity has been released for both macOS and Windows! This update includes both updated versions of OpenVPN (2.4.8) and OpenSSL (1.1.1d), as well as many improvements and bug fixes for both platforms. In particular, with the update to the...
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Viscosity For Mac & Windows: Version 1.8.1

updates

Viscosity version 1.8.1 is now available for both macOS and Windows! This update is primarily a maintenance release and it includes a number of small tweaks and improvements for both platforms. Viscosity now integrates the new U2F APIs introduced in Windows 10...
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