Tunnelblick is a free, open-source graphic user interface for OpenVPN on macOS. It provides easy control of OpenVPN client and server connections.
Best Viscosity Alternatives ranked by AI · updated May 2025
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Viscosity is a powerful VPN client for Mac and Windows that makes it easy to connect to any OpenVPN server.
Price: $14 USD per license
🎯 sparklabs.com/viscosity
Top 6 Viscosity alternatives
Official OpenVPN client for Windows with robust features and security options.
Pros
- Cross-platform support
- Strong security features
Cons
- Can be more technical for beginners
- Limited user interface customization
WireGuard is a modern VPN protocol known for its simplicity and high performance.
ProtonVPN is a secure and privacy-focused VPN service provider.
Starting at $4/month
Open-source VPN software that enables secure communication over the internet.
Free and paid versions available
Pritunl Client is a desktop VPN client for connecting to Pritunl, OpenVPN, and WireGuard servers. It is aimed at individuals and organizations...
Pros
- Supports both OpenVPN and WireGuard connections
- Available for Windows, macOS, and Linux
- Integrates directly with Pritunl server deployments
Cons
- Less broadly compatible than dedicated OpenVPN or WireGuard clients
- Advanced configuration options are more limited than in some competing clients
- Best experience depends on using a Pritunl-managed VPN environment
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