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 1.10.6

  updates

Viscosity version 1.10.6 is now available for Windows! This update includes significant changes to fully natively support ARM64 machines, updates to modernize framework and API usage on Windows, an updated version of OpenSSL, and many bug fixes and enhancements. In particular, this update now completes Viscosity's ARM64 support. Viscosity first introduced support for Windows on ARM64 (WoA) in version 1.8.2, with all of Viscosity's core components (including OpenVPN connections) ported to... Read Post »

Viscosity For Mac: Version 1.10.7

updates

Viscosity version 1.10.7 is now available for macOS! This update is a small maintenance release with bug fixes and minor enhancements to keep Viscosity running smoothly. In particular, this version fixes a number of DNS related issues that could cause domains to...
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Viscosity For Mac: Version 1.10.6

updates

Viscosity version 1.10.6 is now available for macOS! This update includes significant enhancements to DNS functionality, IPv6 support improvements, updates to better support the upcoming macOS 14 (Sonoma) release, an updated version of OpenSSL, and many bug fixes...
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Viscosity For Mac & Windows: Version 1.10.5

updates

Viscosity version 1.10.5 has been released for both macOS and Windows! This version includes several requested features and improvements, including scripting enhancements, connection import compatibility, OpenVPN and OpenSSL updates, and many small bug fixes and...
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