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 1.11


Viscosity 1.11 is now available for both macOS and Windows! This is a big update, with OpenVPN 2.6 support, OpenSSL 3.0, significant behind-the-scenes upgrades and improvements, enhanced system identity and token support, IPv6 support improvements, and lots of other new features, improvements, and bug fixes. OpenVPN 2.6 is a big change that brings several new security and network features to VPN connections. OpenVPN 2.6 is backwards compatible with servers running older versions of... Read Post »

Viscosity For Mac: Version 1.10.8


Viscosity version 1.10.8 is now available for macOS! This update is a maintenance release with internal improvements, bug fixes, and minor enhancements to keep Viscosity running smoothly. This is the final release to ship with OpenVPN 2.5 and the 1.1.1 branch of...
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Viscosity For Windows: Version 1.10.6


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. ...
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Viscosity For Mac: Version 1.10.7


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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