Software Alternatives & Startups

FullCalendar VS ZIP Code API

Compare FullCalendar VS ZIP Code API and see what are their differences

FullCalendar

FullCalendar is an open-source JavaScript event calendar.

Rating
0 reviews
Pricing
Open source
ZIP Code API

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

Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, FullCalendar seems to be more popular. It has been mentioned 16 times since March 2021.

social mentions
16 vs 0
Appointments and Scheduling popularity
100% vs 0%
alternatives listed
204 vs 7

Base details

Website, pricing, platforms and company facts side by side.

FullCalendar
ZIP
ZIP Code API
Website fullcalendar.io zip-codes.com
Pricing
Open source Official pricing
—
Company — Startup from the United States · 2026
Listed in

About FullCalendar and ZIP Code API

In their own words, as submitted to SaaSHub.

FullCalendar
ZIP
ZIP Code API

No description of FullCalendar yet.

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...

Read more about ZIP Code API

Features and specs

What each product offers, as listed by its team.

FullCalendar 6 features
ZIP
ZIP Code API 5 features
  • Comprehensive Features
    FullCalendar offers a wide range of features like drag-and-drop event management, customizable views (month, week, day), recurring events, and timezone support.
  • Extensibility
    The library is highly extensible with various plugins and options to add additional functionalities like Google Calendar integration and resource management.
  • Responsive Design
    FullCalendar is built with a responsive design in mind, ensuring that the calendar looks good and operates smoothly on both desktop and mobile devices.
  • Documentation
    FullCalendar offers comprehensive documentation, tutorials, and examples that help developers understand how to implement and customize the calendar.
  • Community Support
    It has a robust community and active support forums, making it easier to find solutions to common problems and share customization tips.
  • Performance
    Optimized for fast rendering and efficient use of resources, ensuring high performance even with a large number of events.

Possible disadvantages

  • Complexity
    Due to its extensive feature set, FullCalendar can be complex to implement and may require a steep learning curve, especially for beginners.
  • Cost
    While the core library is free, some advanced features and plugins require a paid license, which might be a constraint for small projects or individual developers.
  • Customization Overhead
    Highly specific customizations can be cumbersome, requiring detailed changes and in-depth knowledge of the library's API.
  • Browser Compatibility
    Though generally robust, some users have reported issues with browser-specific bugs, requiring additional testing and fixes.
  • Dependency Management
    FullCalendar relies on other libraries like Moment.js (though moving away from it), which can lead to dependency management issues in larger projects.
  • Comprehensive ZIP Code Data
    The ZIP Code API from zip-codes.com provides extensive data including ZIP code details, city information, state data, and geographic coordinates, making it a thorough resource for location-based lookups.
  • Multiple Lookup Options
    The API supports various types of lookups including ZIP code to city/state, city/state to ZIP code, distance calculations between ZIP codes, and radius searches, offering flexible querying capabilities.
  • Easy Integration
    The API uses standard REST-based HTTP requests and returns data in commonly used formats like JSON and XML, making it straightforward to integrate into most applications and programming languages.
  • Distance and Radius Calculations
    The API includes built-in functionality for calculating distances between ZIP codes and finding ZIP codes within a specified radius, which is valuable for store locators, shipping estimates, and proximity-based features.
  • Well-Documented Endpoints
    The API provides clear documentation for its various endpoints and parameters, helping developers understand available features and implement them correctly without extensive trial and error.

Analysis

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

FullCalendar
ZIP
ZIP Code API

No analysis of FullCalendar yet.

Overall verdict

  • ZIP Code API from zip-codes.com is a solid, reliable choice for developers and businesses needing accurate US and Canadian postal code data, offering a straightforward RESTful interface with regularly updated databases.

Why this product is good

  • Provides accurate and frequently updated ZIP code, city, state, and geographic data
  • Offers a simple RESTful API that is easy to integrate into web and mobile applications
  • Supports features like ZIP code lookup, radius search, and distance calculations
  • Includes both US ZIP codes and Canadian postal codes for broader coverage
  • Backed by an established data provider with a long track record in postal data

Recommended for

  • Developers building address validation or autofill features
  • E-commerce platforms needing shipping and location-based calculations
  • Businesses performing geographic or radius-based store locators
  • Applications requiring reliable US and Canadian postal data
  • Marketing and logistics teams that need regional or demographic targeting

Videos

Walkthroughs and reviews on video.

FullCalendar 1 video + Add
ZIP
ZIP Code API 0 videos + Add

Episode #042 - FullCalendar Events and Scheduling

No ZIP Code API videos yet. You could help us improve this page by suggesting one.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
FullCalendar
ZIP
ZIP Code API
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

FullCalendar 16 mentions
ZIP
ZIP Code API 0 mentions
  • Opencloud – an alternative to Nextcloud written in Go
    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
  • Frontend Libraries for Your Next Project
    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
  • Is Temporal still temporal?
    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

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Tracking ZIP Code API since May 2026.

Alternatives to FullCalendar and ZIP Code API

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