Free open-source SSL VPN client supporting multiple protocols including AnyConnect
OpenConnect is a free open-source SSL VPN client that provides secure remote access to private networks. It's designed to establish secure encrypted connections across different networks while maintaining high performance.
The client stands out for its compatibility with Cisco AnyConnect VPN servers while remaining completely open-source. This makes it an ideal choice for organizations and users seeking flexible secure remote access solutions.
Supports Cisco AnyConnect SSL VPN, Juniper/Netscreen SSL VPN, and Pulse Connect Secure
Runs seamlessly across all major operating systems and architectures
Provides military-grade encryption with support for two-factor authentication
Completely free and open-source with transparent code development
Free download for Windows, Linux, macOS and other operating systems
Compatible with Windows 7 and newer
Ubuntu/Debian .deb packages
macOS 10.15 and later
Obtain the Windows-compatible version from the project's official download page. The installer is typically available as a standard .exe file for easy installation.
Run the installation file and grant necessary permissions when prompted by UAC. The installation process typically takes 2-3 minutes on modern Windows systems.
Launch OpenConnect GUI and add a new connection profile with your VPN server details. Specify authentication method, certificates, and any custom connection parameters required.
Initiate the connection process and authenticate with your credentials when prompted. Confirm successful connection through status indicators and test network accessibility.
Verify server address accuracy and network connectivity before attempting connection. Confirm certificate validity and authentication credentials with your network administrator.
Ensure system clock is synchronized and certificates haven't expired. Verify certificate chain completeness and proper installation in certificate store.
Note: Enterprise users should contact their network administrators for customized setup instructions. Corporate environments may have unique authentication requirements or security policies.


