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 1.11.4

  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 significantly improved, with faster responses and improved memory consumption. It also resolves an issue that could result in large memory spikes when receiving an invalid or malformed DNS reply from a DNS server. The chance of... Read Post »

Viscosity For Mac: Version 1.11.4

updates

Viscosity version 1.11.4 is now available for macOS! This update focuses on improving the performance of VPN connections using a TAP (bridged) setup on macOS 15, and includes an updated version of OpenSSL, as well as many small bug fixes and enhancements. ...
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Viscosity For Mac & Windows: Version 1.11.3

updates

Viscosity version 1.11.3 is now available for both macOS and Windows! This update is another small maintenance release, with an updated version of OpenVPN, minor enhancements, and several bug fixes to keep your VPN connections working reliably. We've taken user...
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Viscosity For Mac & Windows: Version 1.11.2

updates

Viscosity version 1.11.2 is now available for both macOS and Windows! This update is a small maintenance release that includes bug fixes, an updated version of OpenSSL, and minor enhancements to keep Viscosity running smoothly. In particular, the Mac version adds...
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