
ngrok
sish
localhost.run
Pagekite
LocalXpose
Vercel
Staqlab Tunnel
Expose your local PC to Internet from behind firewall and without real IP address

Axolo
PullNotifier
Axolo for GitLab
Swarmia
Pullflow
GitLab
Pipie.io
Replace GitLab's spammy Slack notifications with PRFlow. One updating message per MR with CI/CD status and threaded comments for gitlab.com and self-hosted GitLab.

Which is more popular?
Based on our record, Portmap.io seems to be more popular. It has been mentioned 34 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | portmap.io | prflow.dev |
| Pricing | — | |
| Platforms | — | |
| Listed in |
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
Developers, system administrators, and hobbyists who need to access local services remotely or those testing webhooks and other remote internet applications.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Port Forward without Router using portmap.io
More videos
No PRFlow.dev videos yet. You could help us improve this page by suggesting one.
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Portmap.io and PRFlow.dev.
PRFlow.dev's answer:
Go backend PostgreSQL DB, React/TypeScript frontend.
PRFlow.dev's answer:
Engineering teams using GitLab.com or self-managed and Slack.
PRFlow.dev's answer:
Engineered for simplicity and security. Native GitLab support.
Share your experience with using Portmap.io and PRFlow.dev. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Did not worked at all. No VPN connections, NO ssh connections... Did not work at all. No option to connect. Not working in my country and "No refund" :( I got fooled with such fake service. NOT RECOMMENDING. use ngrok...
We have no reviews of PRFlow.dev yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I once used portmap.io for reverse shell in ethical hacking classes. Source: about 3 years ago
So I use portmap.io for OpenVPN like I saw in tutorials but I found out it is not working because my ip didn't change when I looked up what my ip was. Source: over 3 years ago
I have a personal computer in the Jio Network at my home and I want to access it using ssh from another network. But in order to port forward my router I am stuck since Jio uses CGNAT if I am not mistaken and there is no use if I... Source: almost 4 years ago
Tracking PRFlow.dev since Jun 2026.
When comparing Portmap.io and PRFlow.dev, you can also consider the following products.

ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
Compare ngrok to Portmap.io or PRFlow.dev:


An open source serveo/ngrok alternative. HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.
Compare sish to Portmap.io or PRFlow.dev:

PullNotifier - a Github and Slack integration app. The most efficient Pull Request notifications on Slack -> PullNotifier allows you to see your team's latest pull request status without getting spammed with notifications.
Compare PullNotifier to Portmap.io or PRFlow.dev:

Instantly share your localhost environment!
Compare localhost.run to Portmap.io or PRFlow.dev:

Review merge requests faster.
Compare Axolo for GitLab to Portmap.io or PRFlow.dev: