
DuD-Poll
Doodle
Framadate
Smart Scheduling
Fasterplan
FreeBu
CozyCal
FullCalendar is an open-source JavaScript event calendar.

USZipLookup
ZipCheckup
ZIP Code API
Smarty
Geoco.io
AZIPCODE
PostalCodes.app
Use our free ZIP Code Analysis Tool to find city, state, county, population, and timezone details for any U.S. ZIP code. Fast, accurate, and privacy-safe lookup.

Which is more popular?
Based on our record, FullCalendar seems to be more popular. It has been mentioned 16 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | fullcalendar.io | uszipcodes.org |
| Pricing | ||
| Platforms | — | |
| Company | — | Startup from India · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of FullCalendar yet.
ZIP Code Analysis Tool is a web-based application that allows users to search any US ZIP code and instantly view detailed location-based data. The tool provides accurate information including city, state, county, latitude, longitude, and population statistics. It is designed for researchers,...
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 FullCalendar yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Episode #042 - FullCalendar Events and Scheduling
No usZIPCodes.org 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 FullCalendar and usZIPCodes.org.
usZIPCodes.org's answer:
Their ability to translate simple postal codes into sophisticated geographic insights for a wide range of business and research applications beyond their original mail delivery purpose.
usZIPCodes.org's answer:
The "story" behind the concept of a "ZIP Code analysis tool" is not about a single specific software product, but rather the evolution of the ZIP Code itself from a simple postal sorting mechanism into a powerful, multifaceted geographic data analysis unit used across many industries.
Share your experience with using FullCalendar and usZIPCodes.org. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


There are dozens of open source Google calendar clones in JS; picking a random not-react example off of the front page of an npm search: https://fullcalendar.io/. - Source: Hacker News / 12 months ago
FullCalendar is an exhaustive calendar library offering extensive customization options. It supports features like dragging, resizing, and event handling, making it ideal for scheduling applications. - Source: dev.to / over 2 years ago
The only complexity with Temporal is the size of the polyfill. However, an alternative polyfill has been in development for some time now — temporal-polyfill by FullCalendar. Its size is much more appealing: 60.7 kB to 21.7 kB (gzip).... - Source: dev.to / over 2 years ago
Tracking usZIPCodes.org since Dec 2025.
When comparing FullCalendar and usZIPCodes.org, you can also consider the following products.

Dudle is an online scheduling application, which is free and open source.
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Find any US ZIP code or Canadian postal code instantly. Search by city, address or code - get accurate location, county & population data free.
Compare USZipLookup to FullCalendar or usZIPCodes.org:

Make meetings happen. With Doodle, scheduling becomes quick and easy.
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Check water quality, product recalls, energy rebates, and safety alerts for any U.S. ZIP code. Free reports powered by EPA and government data.
Compare ZipCheckup to FullCalendar or 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
Compare ZIP Code API to FullCalendar or usZIPCodes.org: