Smarty
Zipcodestack
PostalDataPI
Geoco.io
Melissa Data Quality
Loqate
usZIPCodes.org
REST API for US ZIP, ZIP+4, and Canadian postal codes. Single unified endpoint covers address validation and standardization, radius search (centroid haversine and true spatial polygon intersection), point-to-point distance, autocomplete/typeah

MobaXterm
KiTTY
ConEmu
iTerm2
GNOME Terminal
Gnome Terminator
SecureCRT
Popular free terminal application. Mostly used as an SSH client.
Which is more popular?
Website, pricing, platforms and company facts side by side.
|
ZIP
ZIP Code API
|
|
|
|---|---|---|
| Website | zip-codes.com | chiark.greenend.org.uk |
| Company | Startup from the United States · 2026 | — |
| Listed in |
In their own words, as submitted to SaaSHub.

API for US ZIP, ZIP+4, and Canadian postal code data. One unified endpoint set covers North America — no separate APIs by country or data type. What it does Address validation and standardization — production-grade parser with ZIP+4 append, refreshed monthly Radius search — centroid haversine and...
No description of PuTTY yet.
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
PuTTY is recommended for system administrators, developers, network engineers, and anyone who needs to perform remote command-line operations on a computer or server using the SSH protocol. It is particularly useful for users who are working on Windows systems.
Walkthroughs and reviews on video.
No ZIP Code API videos yet. You could help us improve this page by suggesting one.
MASSIVE STORE PUTTY REVIEW!
More videos
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using ZIP Code API and PuTTY. 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 ZIP Code API yet. Be the first one to post
Instead of a full-fledged PuTTY alternative, SuperPuTTY is an add-on that changes how PuTTY looks. It also brings several additional features that are missing from the original PuTTY implementation.
SuperPuTTY requires you to install the original PuTTY for the application to install and run. Besides that, the SuperPuTTY is an advanced PuTTY version with secure SSH connection protection with SCP and SFTP file...
Putty is a popular SSH and telnet client for Windows. It's lightweight, fast, and easy to use. Putty offers all the basic features you need for remote desktop access, including SSH, telnet, rlogin, and raw TCP...
When comparing ZIP Code API and PuTTY, you can also consider the following products.

Smarty provides address validation, autocomplete, geocoding and reverse geocoding services covering addresses in over 240+ countries.
Compare Smarty to ZIP Code API or PuTTY:

Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Compare MobaXterm to ZIP Code API or PuTTY:

Free Zip Code API - Free Postal Code Validation | Zipcodestack
Compare Zipcodestack to ZIP Code API or PuTTY:

KiTTY is a fork from version 0.70 of PuTTY. It adds extra features to PuTTY.
Compare KiTTY to ZIP Code API or PuTTY:

The most affordable postal code API. 240+ countries, sub-5 ms responses. Simple, elegant, transparent.
Compare PostalDataPI to ZIP Code API or PuTTY:

ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.
Compare ConEmu to ZIP Code API or PuTTY: