
TCPView
CurrPorts
Paessler PRTG
PortKiller
PortsMonitor
Netshow
Proc Net Monitor
A simpler, Mac-native Wireshark alternative for inspecting TCP traffic.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Which is more popular?
Based on our record, TCP Viewer seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | tcpviewer.proxyman.com | diffyn.com |
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What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
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The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing TCP Viewer and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using TCP Viewer and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I spent few months to buil the alternative to Wireshark. Native macOS app, built with Cocoa (Sorry SwiftUI), on top of libwireshark, so you can see the packet details like Wireshark. Support TCP, UDP, DNS, HTTP2, ...... - Source: Hacker News / about 2 months ago
Tracking Diffyn since Jun 2025.
When comparing TCP Viewer and Diffyn, you can also consider the following products.

TCPView is a Windows program that will show you detailed listings of all TCP and UDP endpoints on...
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CurrPorts displays the list of all currently opened TCP/IP and UDP ports on your local computer.
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An advanced network monitoring solution to monitor network up/downtime, traffic and usage.
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A powerful cross-platform port management tool for developers. Monitor ports, manage Kubernetes port forwards, integrate Cloudflare Tunnels, and kill processes with one click. - productdevbook/port...
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PortsMonitor is a system utility for monitoring system TCP/IP network connections by application...
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Lightweight, performant interactive network connection monitor with friendly service names.
Compare Netshow to TCP Viewer or Diffyn: