
Scrimba
Codédex
CodeCrafters
Data Protocol
Codelita
Eloquent JavaScript
The State of JavaScript 2018
A free resource for learning and developing in JavaScript

ngrok
sish
localhost.run
Pagekite
LocalXpose
Staqlab Tunnel
LocaltoNet
Expose your local PC to Internet from behind firewall and without real IP address
Which is more popular?
Based on our record, Portmap.io seems to be a lot more popular than JavaScript.com. While we know about 34 links to Portmap.io, we've tracked only 1 mention of JavaScript.com.
Website, pricing, platforms and company facts side by side.
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| Website | javascript.com | portmap.io |
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What each product offers, as listed by its team.


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


No analysis of JavaScript.com yet.
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.
Walkthroughs and reviews on video.
No JavaScript.com videos yet. You could help us improve this page by suggesting one.
Port Forward without Router using portmap.io
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using JavaScript.com and Portmap.io. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


We have no reviews of JavaScript.com yet. Be the first one to post
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...
Recommendations tracked on public social media and blogs since March 2021.


The best resource I know of is Javascript.com for learning Javascript for the first time. It's made by Pluralsight which is a site that contains courses. - Source: dev.to / over 4 years ago
I once used portmap.io for reverse shell in ethical hacking classes. Source: over 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
When comparing JavaScript.com and Portmap.io, you can also consider the following products.

Interactive coding screencasts created in an instant
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ngrok enables secure introspectable tunnels to localhost webhook development tool and debugging tool.
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An open source serveo/ngrok alternative. HTTP(S)/WS(S)/TCP Tunnels to localhost using only SSH.
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Programming exercises for experienced engineers.
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Instantly share your localhost environment!
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