
ngrok
Pinggy.io
Localtunnel
zrok
localhost.run
LocalXpose
Packetriot
A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.

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, frp seems to be more popular. It has been mentioned 22 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | github.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.


No analysis of frp yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
DO NOT BUY - Roland FRP-1 Digital Piano Bundle With Bluetooth
More videos
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 frp 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 frp and Diffyn. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


frp is a self-hosted reverse proxy server and client you can install from a simple binary executable compiled from Go, making it fast to load and run.
We have no reviews of Diffyn yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


We use them en they have improved a lot in the last year. For edge services they have all the important thing like ddos protection and edge scripting. There is no replacement for Cloudflare Tunnel, but frp [1] is a good alternative. We... - Source: Hacker News / 27 days ago
Some time ago I looked at running this on a very small cloud VM to act as a proxy for pi-based devices: https://github.com/fatedier/frp. - Source: Hacker News / 2 months ago
FRP (Fast Reverse Proxy) is an open-source tool by fatedier that exposes a local service behind a NAT or firewall to the public internet. It's battle-tested, written in Go, and has been the go-to answer in self-hosting communities for... - Source: dev.to / 3 months ago
Tracking Diffyn since Jun 2025.
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