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Charles vs OpenConnect

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

Charles icon
Charles
OpenConnect icon
OpenConnect

Charles vs OpenConnect: The Verdict

⚡ Summary:

Charles: Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

OpenConnect: 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.

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 Charles OpenConnect
Sugggest Score — —
Category Development Network & Admin
Pricing — Open Source

Product Overview

Charles
Charles

Description: Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

Type: software

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

Key Features Comparison

Charles
Charles Features
  • HTTP proxy
  • HTTP monitor
  • Reverse proxy
  • View HTTP/HTTPS traffic
  • View requests
  • View responses
  • View HTTP headers
  • View cookies
  • View caching information
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

Pros & Cons Analysis

Charles
Charles

Pros

  • Debug HTTP/HTTPS connections
  • Inspect traffic between machine and internet
  • Identify performance issues
  • Troubleshoot network requests

Cons

  • Steep learning curve
  • Manual configuration required
  • Extra overhead for all HTTP traffic
  • Potential privacy concerns
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

Pricing Comparison

Charles
Charles
  • Not listed
OpenConnect
OpenConnect
  • Open Source

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Learn More About Each Product

Charles
Charles
Reviews, pricing & alternatives →
OpenConnect
OpenConnect
Reviews, pricing & alternatives →

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