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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 1.10.3

  updates

Viscosity version 1.10.3 has been released for both macOS and Windows! This version adds several commonly requested features, including VPN connection sorting, and separately prompting for two-factor credentials that normally form part of the password. Updates to OpenVPN and OpenSSL are also included, along with many small bug fixes and enhancements. This update adds a new static-challenge-password command to allow Viscosity to separately prompt for a two-factor credential (such as a... Read Post »

Viscosity For Mac & Windows: Version 1.10.2

updates

Viscosity version 1.10.2 is now available for both macOS and Windows! This update introduces Dark Mode support for the Windows version, a security-related OpenSSL update for both macOS and Windows versions, along with several small bug fixes and enhancements. The...
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Viscosity For Mac & Windows: Version 1.10.1

updates

Viscosity version 1.10.1 is now available for both macOS and Windows! This update is primarily a small maintenance release with bug fixes and minor enhancements to keep Viscosity running smoothly. In particular, the Mac version is now able to detect and...
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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...
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