Proxyman is described as 'Intercept and debug HTTP/HTTPS and WebSocket traffic on macOS, iOS, Windows, and Linux with advanced tools, filtering, scripting, and automation features' and is a http(s) debugger in the development category. There are more than 50 alternatives to Proxyman for a variety of platforms, including Windows, Mac, Linux, Web-based and iPhone apps. The best Proxyman alternative is Wireshark, which is both free and Open Source. Other great apps like Proxyman are Fiddler, mitmproxy, HTTP Toolkit and Charles.
SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3 and FTP) or as hex dump (for non-text base...
Israel
Fluxzy Desktop is an HTTP and HTTPS debugging proxy for Windows, macOS, and Linux. If you already use Fiddler, Charles, or Proxyman, you know the drill: capture traffic, inspect requests and responses, tweak them, replay them. Fluxzy does all of that, with support for HTTP/1.
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HTTP Debugger captures and decrypts HTTP/HTTPS from any Windows app without proxy setup — HTTP/2, WebSocket, SSE, gRPC and localhost included. Edit and replay requests, modify traffic on the fly, and let an AI assistant read the session over the built-in MCP server.
HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers.
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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 tool Charles.
HTTP Headers allows you to quickly see the HTTP header information for the current URL.
PolarProxy is a transparent SSL/TLS proxy. PolarProxy decrypts and re-encrypts TLS traffic, while also saving the decrypted traffic in a PCAP file that can be loaded into Wireshark or an intrusion detection system (IDS).
SwedenEU
The goal of this project is to adds information about the HTTP headers in three ways:
Canada
API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android.
ReqRes is an open-source, high-performance, modern native web debugging proxy for macOS. It lets you capture, inspect, modify, and intercept HTTP(S) traffic in real time.
A macOS and iOS tool from Apple for simulating poor network conditions such as 3G, Edge, and packet loss during app development.
United States
HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO version that cost money and has additional features.
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