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OpenConnect vs Viscosity

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

OpenConnect icon
OpenConnect
Viscosity icon
Viscosity

OpenConnect vs Viscosity: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature OpenConnect Viscosity
Sugggest Score — —
Category Network & Admin Security & Privacy
Pricing Open Source —

Product Overview

OpenConnect
OpenConnect

Description: OpenConnect is an open-source client for Cisco AnyConnect compatible VPNs. It allows users to securely access private intranet services through an encrypted VPN tunnel.

Type: software

Pricing: Open Source

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

OpenConnect
OpenConnect Features
  • Open source VPN client
  • Supports Cisco AnyConnect SSL VPN
  • Supports DTLS and TLS protocols
  • User authentication via certificates or passwords
  • NetworkManager integration
  • Proxy support
  • IPv4 and IPv6 support
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

OpenConnect
OpenConnect
Pros
  • Free and open source
  • Works on Linux, macOS, Windows, Android
  • Actively maintained
  • Secure encrypted connections
  • Easy to setup and use
Cons
  • Limited configuration options
  • No official support from Cisco
  • Lacks some AnyConnect features like Always-On VPN
  • Setup can be tricky for novice users
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

OpenConnect
OpenConnect
  • Open Source
Viscosity
Viscosity
  • Not listed

Related Comparisons

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Learn More About Each Product

OpenConnect
OpenConnect
Reviews, pricing & alternatives →
Viscosity
Viscosity
Reviews, pricing & alternatives →

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