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 1.10

  updates

Viscosity 1.10 is now available for both macOS and Windows! This is a big update, with OpenVPN 2.5 support, support for both macOS 12 and Windows 11, support for SSO and SAML authentication, and lots of other new features and improvements. OpenVPN 2.5 brings several new features to VPN connections, including support for the ChaCha20-Poly1305 cipher, TLS 1.3 support, improved session token management, and many other networking improvements. OpenVPN 2.5 is backwards compatible with servers... Read Post »

Viscosity For Mac & Windows: Version 1.9.4

updates

Viscosity version 1.9.4 is now available for both macOS and Windows! This update is a security release and includes an important security fix for the macOS version, OpenSSL updates for both platforms, and a number of small bug fixes. On the macOS side, a...
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Viscosity For Mac & Windows: Version 1.9.3

updates

Viscosity version 1.9.3 is now available for both macOS and Windows! This update includes a number of improvements, including refined support for Apple Silicon (M1) Macs, updated versions of both OpenVPN and OpenSSL, and a number of small bug fixes. In...
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Viscosity For Windows: Version 1.9.2

updates

Viscosity version 1.9.2 is now available for Windows! This update is primarily a maintenance release with bug fixes and small enhancements. This release focuses on improving support for High DPI Scaling and multi-monitor setups on Windows. In particular,...
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