Software Alternatives, Accelerators & Startups

PostalCodes.info VS GnuPlot

Compare PostalCodes.info VS GnuPlot and see what are their differences

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PostalCodes.info logo PostalCodes.info

Postal code lookup API and downloadable country datasets for address validation, checkout, logistics and geocoding workflows.

GnuPlot logo GnuPlot

Gnuplot is a portable command-line driven interactive data and function plotting utility.
  • PostalCodes.info Landing page
    Landing page //
    2026-05-09
  • GnuPlot Landing page
    Landing page //
    2022-12-13

PostalCodes.info features and specs

  • Global Coverage
    PostalCodes.info provides postal code data for a wide range of countries worldwide, making it useful for international applications that need to validate or look up postal codes across multiple regions.
  • Simple REST API
    The API follows a straightforward RESTful design, making it easy for developers to integrate into their applications without a steep learning curve or complex authentication flows.
  • Geolocation Data
    The service provides geographic coordinates (latitude and longitude) associated with postal codes, which is useful for mapping, distance calculations, and location-based features.
  • Lightweight Responses
    The API returns concise, structured data that is easy to parse and doesn't require heavy bandwidth, making it suitable for applications where performance matters.
  • Useful for Address Validation
    The service can be used to validate and auto-complete address information based on postal codes, improving user experience in forms and checkout processes.

Possible disadvantages of PostalCodes.info

  • Limited Documentation
    The API documentation can be sparse and lacks comprehensive examples, detailed error code explanations, and thorough guides, making it harder for developers to troubleshoot issues or understand all available features.
  • Data Accuracy Concerns
    Some postal code databases may contain outdated or incomplete data for certain countries, as postal codes change over time and keeping a global database fully up-to-date is challenging.
  • Rate Limiting and Usage Restrictions
    The API may impose rate limits or usage caps that could be restrictive for high-traffic applications, potentially requiring paid plans to accommodate larger volumes of requests.
  • Limited Additional Features
    Compared to more established geocoding and postal code services (like Google Maps API or SmartyStreets), PostalCodes.info may lack advanced features such as address parsing, fuzzy matching, or detailed administrative boundary data.
  • Uncertain Reliability and Support
    As a smaller, less well-known service, there may be concerns about long-term availability, uptime guarantees, and the quality of customer support compared to major established providers.

GnuPlot features and specs

  • Highly Customizable
    GnuPlot offers extensive customization options for creating plots, allowing users to tweak almost every aspect of the graph, including colors, labels, line styles, and more.
  • Scriptable
    GnuPlot can be driven by scripts, making it convenient for automating complex plots and integrating with other software workflows.
  • Wide Range of Output Formats
    It supports many output formats such as PNG, PDF, SVG, and EPS, making it easy to generate graphics for different purposes like presentations, publications, and web content.
  • Cross-Platform
    GnuPlot runs on multiple operating systems, including Windows, macOS, and Linux, ensuring that it can be used in diverse computing environments.
  • Complex Plotting Capabilities
    GnuPlot supports a wide variety of plots, including 2D and 3D plots, histograms, heatmaps, and more, which caters to the needs of advanced visualization requirements.
  • Performance
    GnuPlot is efficient and can handle large datasets with ease, offering fast rendering times which is crucial when dealing with complex visualizations.
  • Free and Open Source
    Being free and open-source software, GnuPlot is accessible to everyone, and users can modify the source code to suit their needs.

Possible disadvantages of GnuPlot

  • Steep Learning Curve
    GnuPlot has a complex syntax and a steep learning curve, especially for beginners who may find it difficult to get started without substantial effort.
  • Limited GUI
    GnuPlot lacks a full-featured graphical user interface (GUI), making it less user-friendly for those who prefer point-and-click interactions over scripting.
  • Documentation
    While comprehensive, the documentation can be overwhelming and difficult to navigate for new users trying to find specific information quickly.
  • Date Handling
    Handling and formatting dates can be cumbersome in GnuPlot, requiring more manual setup compared to other dedicated plotting tools.
  • Interactive Features
    GnuPlot's interactive plotting capabilities are limited compared to other modern plotting tools that offer more dynamic and real-time interactivity.
  • Integration
    Integration with some modern programming environments and languages may not be as seamless as with other plotting libraries specifically designed for those ecosystems (e.g., Matplotlib in Python).

Analysis of PostalCodes.info

Overall verdict

  • PostalCodes.info appears to be a functional reference tool for looking up postal/ZIP codes and administrative boundaries across countries, useful for quick lookups but likely limited compared to official postal authority databases or premium geocoding APIs for bulk/commercial use.

Why this product is good

  • Provides free access to postal code information for multiple countries
  • Simple interface for quick individual lookups
  • No registration typically required for basic searches
  • Covers international postal code systems beyond just one country

Recommended for

  • Individuals needing a quick one-off postal code lookup
  • Students or researchers studying geographic/administrative divisions
  • Small personal projects requiring occasional postal code verification
  • Users who don't need bulk data or API integration

Analysis of GnuPlot

Overall verdict

  • Gnuplot is generally considered to be a good choice for those looking for a reliable and flexible plotting tool, especially if the users need robust scriptability or work across different operating systems.

Why this product is good

  • Gnuplot is a powerful, portable, and multi-platform tool capable of producing high-quality 2D and 3D plots. It supports numerous output formats and can be used interactively or in scripts. Additionally, it has a large support community and extensive documentation, making it accessible for both beginners and advanced users.

Recommended for

  • Scientists and engineers who need to visualize data across diverse platforms.
  • Users comfortable working with command-line interfaces.
  • Individuals or teams needing to generate plots through automated scripts.
  • Those looking for a free and open-source alternative to other graphing tools.

PostalCodes.info videos

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GnuPlot videos

Gnuplot Introduction

More videos:

  • Review - DTrace Latency Visualization in gnuplot
  • Review - Basics of Gnuplot - Make your plot look Good

Category Popularity

0-100% (relative to PostalCodes.info and GnuPlot)
APIs
100 100%
0% 0
Technical Computing
0 0%
100% 100
Data Validation
100 100%
0% 0
Numerical Computation
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, GnuPlot seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

PostalCodes.info mentions (0)

We have not tracked any mentions of PostalCodes.info yet. Tracking of PostalCodes.info recommendations started around May 2026.

GnuPlot mentions (5)

  • Question about Project Management
    To some extent it extends the concept of tasks which only can be reasonably executed after the completion of other ones (though results of branches eventually may join each other) and offers an additional assisting birds' eye visual of projects. So far, I'm aware about the documentation on worg interfacing org-taskjuggler and taskjuggler, as well as a video tutorial interfacing gnuplot instead. Source: about 3 years ago
  • How do I make a transparent background on .ps or .eps file imported to groff
    Gnuplot is a program to plot diagrams. The Commands issued to use it don't change regardless if it is used in Linux/Windows/MacOS and it comes with less dependencies than a Spread sheet, or a statistics program. This is why I started to Become comfortable with it, and venture out some of its features. Here, "conditional plot" referred to "the diagram only displays a Thing/uses a pixel if the value in the table... Source: over 3 years ago
  • Drawing graphs and diagrams
    Or, does drawing diagrams refers to plotting data, but neither using matplotlib, nor gnuplot (export to .svg, .pdf, .png; pstricks, tikz to mention a few options)? Source: over 3 years ago
  • Are specific softwares avialable that are suitable for converting different diagrams, graphs and mindmaps to latex codes?
    There may the occasion you actually need the data from a publication, and want to plot them altogether with data newly collected data in one diagram in common. An overlay, though possible, can become tricky (scaling, centering, alignment, etc.) and plotting all data in a diagram generated from scratch (gnuplot/octave, matplotlib, Origin, ...) exported as an illustration in the usual formats (.pdf/.png), or... Source: over 3 years ago
  • Introducing Graphs
    Have you looked at the graphing capabilities of Octave or Gnuplot? Gnuplot in particular has a lot of options, and a GUI for those who want it. Source: over 3 years ago

What are some alternatives?

When comparing PostalCodes.info and GnuPlot, you can also consider the following products

Zipcodestack - Free Zip Code API - Free Postal Code Validation | Zipcodestack

Matplotlib - matplotlib is a python 2D plotting library which produces publication quality figures in a variety...

Geocode.xyz - A geoparser, geocoder and batch geocoder for the world. Map your data.

GeoGebra CAS Calculator - Free online algebra calculator from GeoGebra: solve equations, expand and factor expressions, find derivatives and integrals

getAddress.io - A simple API for finding UK postal addresses

GeoGebra - GeoGebra is free and multi-platform dynamic mathematics software for learning and teaching.