Alternatives to Charles for Linux with any license

mitmproxy

mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly. It also...
- Free and open-source, UI doesn't constantly nag you to pay money. Guest • Aug 2018 • 4 agrees and 1 disagrees
- sames features as charles but less easy to access. If you are not affray about command lines options, go using it. Guest • Sep 2017 • 2 agrees and 0 disagrees
- Not as easy to use, but it's really powerful. Guest • Nov 2016 • 5 agrees and 0 disagrees
Free Open Source Mac Windows Linux
Debugger Proxy Ssl Add a feature

47 Like
OWASP Zed Attack Proxy (ZAP)

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. It is designed to be used by people...
- This is security vulnerability finding software, not a proxy observer. Guest • Aug 2018 • 7 agrees and 0 disagrees
Free Open Source Mac Windows Linux
Proxy support Penetration Testing Proxy Add a feature

22 Like
Burp Suite

Simple, scalable cybersecurity tool suite for researchers, professionals, and enterprises.

Freemium Mac Windows Linux BSD
Admin Panel with builtin SSL and emails Administrative Reporting Forces encrypted connection Tree view ... Legacy Firefox Addon Web Testing Add a feature

30 Like
HTTP Toolkit

HTTP Toolkit is a suite of open-source tools for debugging, testing and building with HTTP(S).

Freemium Open Source Mac Windows Linux Web
Built in docs HTTP mocking One click interception OpenAPI integration ... Performance analysis Themes Debugger Proxy Add a feature

10 Like
NetworkMiner

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can parse PCAP files and regenerate/reassemble transmitted files and certificates from...

Free Open Source Mac Windows Linux
Network Monitoring Portable Sniffer Add a feature

13 Like
Camilla Proxy

The always-on web debugging proxy.

Free Linux
Proxy Add a feature

2 Like
HttpFox

HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers. It aims to bring the functionality known from tools like...
- Discontinued
  The project is no longer developed. Last version, 0.8.14.1, released in May 2014, is not compatible with Firefox, but the extension still works on XUL-based Firefox forks like https://alternativeto.net/software/waterfox/ and https://alternativeto.net/software/palemoon/
Free Mac Windows Linux Waterfox Pale Moon
Customer Analytics Firefox Extensions HTTP Monitoring Legacy Firefox Addon ... Pale Moon Extension Static analysis Web log analysis Add a feature

9 Like
James

James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from the browser. It is an open-source alternative to the popular developer...
- Discontinued
  Not sure if 'discontinued' is quite right, but James has now officially moved in 'maintenance mode', with little or no ongoing development or support. See the readme: https://github.com/james-proxy/james#this-project-is-in-maintenance-mode. It would be helpful to highlight that here imo.
Free Open Source Mac Windows Linux React Electron / Atom Shell ... Node.JS
Proxy Add a feature

1 Like
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Live HTTP Headers (Chrome)

Monitor all HTTP/HTTPs traffic from your browser. Live HTTP Headers logs all HTTP traffic between Google Chrome and the Internet. This extension can be helpful if...
- Warning
  Suspected of distribute adwares, even after removing the extension
Free Mac Windows Linux Chrome
HTTP Proxy HTTPS Support Internet Explorer extension Add a feature

5 Like
HTTP Headers

HTTP Headers allows you to quickly see the HTTP header information for the current URL.
- Warning
  Suspected of distribute adwares, even after removing the extension
Free Mac Windows Linux
Google Chrome Extensions HTTP Monitoring HTTP Proxy Add a feature

4 Like