Grails

Apache Software Foundation, Wilmington, Delaware, United States

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 39th 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.

It is especially popular in Poland, appearing on 0.2% of all websites in the country.

Statistics based on 4M+ analyzed websites. About this data

💸 Pricing

Grails is available for free.

Free ✔️ Open source

📊 Rankings and Market Share

🏆 Grails Awards

⚡ Sites Built With Grails

We have data on 159 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 dreamtec.pl.

#WebsiteRankCountryLanguage
1 dreamtec.pl #58,038 Poland Polish
2 webwavecms.com #86,002 Poland Polish
3 superksiegowa.pl #92,623 Poland Polish
4 exp.pl #256,891 Poland Polish
5 akcyzawarszawa.pl #621,443 Poland Polish
6 piwnicapodbaranami.pl #887,091 Poland Polish
7 lop.org.pl #1,024,479 Poland Polish
8 chatschool.pl #1,065,287 Poland Polish
9 skanowanie.xyz #1,162,746 Poland Polish
10 webwave.ro #1,168,861 Romania Romanian
11 targifantastyki.pl #1,218,246 Poland Polish
12 starybrzesc.pl #1,491,884 Poland Polish
13 sanktuariumswiebodzin.pl #1,499,082 Poland Polish
14 pianina.pl #1,514,884 Poland Polish
15 eurogsm.ro #1,540,386 Romania Romanian
16 schronisko-katowice.eu #1,894,759 Poland Polish
17 nokiamuseum.net #1,902,773 Romania Romanian
18 zsrgrabski.pl #1,909,915 Poland Polish
19 paanbus.pl #2,047,995 Poland Polish
20 zsmradziejow.pl #2,099,790 Poland Polish

📈 Usage Statistics

Most of the sites that use Grails:

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

  • Poland 83.9%
  • Romania 5.2%
  • Australia 3.9%
  • United States 1.9%
  • Austria 1.3%
  • Canada 1.3%
  • France 0.6%
  • Germany 0.6%
  • Netherlands 0.6%
  • Other 0.7%

Most Grails users speak Polish, English, or Romanian.

  • Polish 74.8%
  • English 18.2%
  • Romanian 4.4%
  • German 1.3%
  • Ukrainian 0.6%
  • Norwegian 0.6%
  • Other 0.1%

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

  • .pl 58.5%
  • .com 15.1%
  • .com.pl 4.4%
  • .ro 3.8%
  • .com.au 2.5%
  • .eu 1.9%
  • .org.pl 1.9%
  • .me 1.3%
  • .edu.pl 1.3%
  • Other 9.3%

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

  • Business 27.3%
  • Education/Reference 21.2%
  • Internet Services 9.1%
  • Online Shopping 9.1%
  • Health 6.1%
  • Travel 6.1%
  • Potentially Unwanted Programs 6.1%
  • Public Information 3%
  • Games 3%
  • Other 9%

🕵️ 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
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
13
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
24
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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💬 Frequently Asked Questions

What is the company behind Grails?

Grails is owned by the Apache Software Foundation, headquartered in Wilmington, Delaware, United States.

Is Grails free?

Yes, it is a free backend framework.
It is also 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 dreamtec.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 30 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.

👉 See Also

🗃️ About This Data