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OpenVPN vs Viscosity

Professional comparison and analysis to help you choose the right software solution for your needs.

OpenVPN icon
OpenVPN
Viscosity icon
Viscosity

OpenVPN vs Viscosity: The Verdict

⚡ Summary:

OpenVPN: OpenVPN is an open-source software application that implements virtual private network (VPN) techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol that utilizes SSL/TLS for key exchange. It is capable of traversing network address translation (NAT) and firewalls.

Viscosity: Viscosity is a VPN client for macOS and Windows that allows you to connect to VPN services and tunnels. It has an easy-to-use interface and supports many VPN protocols like OpenVPN, L2TP, and IPSec.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature OpenVPN Viscosity
Sugggest Score — —
Category Security & Privacy Security & Privacy
Pricing Free —

Product Overview

OpenVPN
OpenVPN

Description: OpenVPN is an open-source software application that implements virtual private network (VPN) techniques for creating secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol that utilizes SSL/TLS for key exchange. It is capable of traversing network address translation (NAT) and firewalls.

Type: software

Pricing: Free

Viscosity
Viscosity

Description: Viscosity is a VPN client for macOS and Windows that allows you to connect to VPN services and tunnels. It has an easy-to-use interface and supports many VPN protocols like OpenVPN, L2TP, and IPSec.

Type: software

Key Features Comparison

OpenVPN
OpenVPN Features
  • Encryption - Uses OpenSSL encryption to secure data
  • Authentication - Supports certificate-based authentication
  • Routing - Routes traffic through VPN tunnel
  • NAT Traversal - Can traverse NAT firewalls
  • Platform Support - Available on Windows, Linux, Mac, Android, iOS
  • Plugins - Extensible through plugins
  • Protocols - Supports UDP and TCP protocols
Viscosity
Viscosity Features
  • User-friendly interface
  • Supports many VPN protocols like OpenVPN, L2TP, IPSec
  • Auto-connect on launch
  • Per-app VPN routing
  • Split tunneling
  • NAT traversal
  • Scripting support

Pros & Cons Analysis

OpenVPN
OpenVPN

Pros

  • Open source
  • Highly secure encryption
  • Extensive platform support
  • Flexible configuration
  • NAT traversal capability
  • Active development community

Cons

  • Configuration can be complex
  • Limited native user management
  • No built-in web GUI
  • Limited scalability without additional tools
Viscosity
Viscosity

Pros

  • Easy to set up and use
  • Reliable connections
  • Lots of configuration options
  • Good performance
  • Supports many protocols

Cons

  • No free version
  • Expensive subscription plan
  • Limited to 2 simultaneous connections in standard version
  • No ad blocking

Pricing Comparison

OpenVPN
OpenVPN
  • Free
Viscosity
Viscosity
  • Not listed

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Learn More About Each Product

OpenVPN
OpenVPN
Reviews, pricing & alternatives →
Viscosity
Viscosity
Reviews, pricing & alternatives →

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