Grails

Grails is a Groovy-based web application framework for the JVM built on top of Spring Boot.

It integrates GORM for object-relational mapping, supports SQL, MongoDB, and Neo4j, and offers built-in tools for asynchronous programming, JSON rendering, and RESTful APIs.

According to our data, Grails ranks 38th among the backend frameworks we track.
It has 0.03% of the backend framework market share and is detected on 0.004% of all websites.

πŸ’Έ Pricing

Grails is available for free.

Free βœ”οΈOpen source

πŸ“Š Rankings and Market Share

πŸ† Grails Awards

⚑ Sites Built With Grails

We have data on 129 websites that use the Grails backend framework. Here is a list of some of the top ranked ones.

The highest rated site using Grails is mobireg.pl.

#WebsiteRankCountryLanguage
1 mobireg.pl #54,798 Poland Polish
2 webwavecms.com #222,779 Poland Polish
3 superksiegowa.pl #286,551 Poland Polish
4 webwave.me #492,587 Poland English
5 exp.pl #496,037 Poland Polish
6 targifantastyki.pl #701,966 Poland Polish
7 golczewo.pl #709,493 Poland Polish
8 edmontonriverboat.ca #710,089 Canada English
9 hankawarszawianka.com #846,198 Poland Polish
10 1008.pl #993,730 Poland Polish
11 webwave.ro #1,375,658 Romania Romanian
12 lop.org.pl #1,783,349 Poland Polish
13 pianina.pl #2,040,849 Poland Polish
14 paanbus.pl #2,390,290 Poland Polish
15 medyk-otwock.pl #2,512,436 Poland Polish
16 salazabaw.com.pl #2,721,027 Poland Polish
17 zsmradziejow.pl #2,762,816 Poland Polish
18 arcadiabimsystem.com #3,073,807 Poland English
19 ensemble3.eu #3,139,306 Poland English
20 rusc.com #3,151,916 English

πŸ“ˆ Usage Statistics

Most of the sites that use Grails:

Most of the sites using Grails are from Poland and Romania.

  • Poland 78%
  • Romania 5.7%
  • Australia 4.9%
  • Canada 2.4%
  • United States 2.4%
  • France 1.6%
  • Austria 0.8%
  • Germany 0.8%
  • Netherlands 0.8%
  • Other 2.6%

Most Grails users speak Polish, English, or Romanian.

  • Polish 68%
  • English 22.7%
  • Romanian 5.5%
  • German 1.6%
  • French 0.8%
  • Chinese 0.8%
  • Norwegian 0.8%

The Grails backend framework is especially popular on .pl and .com top-level domains.

  • .pl 51.2%
  • .com 17.1%
  • .ro 4.7%
  • .com.pl 4.7%
  • .com.au 3.1%
  • .org 1.6%
  • .ca 1.6%
  • .me 1.6%
  • .edu.pl 1.6%
  • Other 12.8%

The primary market segments for websites utilizing Grails include business, education and reference, and Internet services.

  • Business 25.7%
  • Education/Reference 20%
  • Internet Services 8.6%
  • Online Shopping 8.6%
  • Public Information 5.7%
  • Health 5.7%
  • Travel 5.7%
  • Sports 5.7%
  • Potentially Unwanted Programs 5.7%
  • Other 8.6%

πŸ•΅οΈ Similar Technologies

These are some of the best Grails alternatives.

RankName
11
Jakarta Servlet
Brussels, Belgium

Enables developers to write web UIs using pure Java.

FreeOpen source
12
Jakarta Server Pages
Brussels, Belgium

A technology that enables developers to create dynamic web content using XML markup, custom tags, expression language, and Java.

FreeOpen source
13
Apache Sling
Wilmington, Delaware, United States

An open-source web framework that uses a Java Content Repository, such as Apache Jackrabbit, to store and manage content.

FreeOpen source
23
Spring
Palo Alto, United States

A Java framework for building enterprise-grade applications.

FreeOpen source
50
Apache Cocoon
Wilmington, Delaware, United States

An open-source Java web application framework built around XML processing and retired in January 2025.

FreeOpen sourceLegacy

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πŸ’¬ Frequently Asked Questions

Is Grails free?

Yes, it is a free backend framework.
Moreover, it is an open source solution, and you can find its code on GitHub.

Which country uses Grails the most?

The majority of Grails users are from Poland.

Who uses Grails?

According to our data, Grails is used on over a hundred sites, including such established ones as mobireg.pl, webwavecms.com, and superksiegowa.pl.

Do academic institutions use Grails?

Yes. In total, we know of 2 academic websites in Poland that use Grails.

How does Grails compare to its competitors?

Grails is a moderately popular backend framework, ranking ahead of 29 other backend frameworks we track.

What are the alternatives to Grails?

Alternatives and possible competitors to Grails may include Spring, Apache Cocoon, and Jakarta Servlet.

πŸ‘‰ See Also

Statistics were last calculated on .
For details, see our methodology and disclaimer.