Roundcube

Nextcloud, Stuttgart, Germany

Roundcube Webmail is a browser-based multilingual IMAP client that provides full email access through a web interface with an application-like user experience.

It supports MIME and HTML messages, address book management with LDAP connectors, folder operations and message search, multiple sender identities, drag-and-drop message handling, plugin-based extensibility, and skinnable interface.

According to our data, Roundcube is the most popular webmail software on the web.
It has 58.1% of the webmail market share and is present on 0.02% of all websites.

It is especially popular in Poland, appearing on 0.08% of all websites in the country.

Statistics based on 3.9M+ analyzed websites. About this data

💸 Pricing

Roundcube is available in both free and paid versions.

Free version ✔️ Open source
Roundcube for Enterprises Custom

📊 Rankings and Market Share

🏆 Roundcube Awards

⚡ Sites Powered by Roundcube

We have data on 621 websites that use the Roundcube webmail software. Here is a list of some of the top ranked ones.

The highest rated site using Roundcube is otenet.gr.

#WebsiteRankCountryLanguage
1 otenet.gr #8,655 Greece English
2 serviciodecorreo.es #32,013 Spain English
3 dpoczta.pl #33,947 Poland Polish
4 caco.com.tw #45,267 Taiwan Chinese
5 transip.email #70,532 Netherlands English
6 iiap.res.in #84,556 India English
7 beget.email #87,544 Russia Russian
8 poczta-shoparena.pl #100,662 Poland Polish
9 crimea.com #162,843 Russia Russian
10 stackmail.com #180,211 United Kingdom English
11 buzondecorreo.com #243,758 Spain English
12 jutfoundation.org.tw #253,188 Taiwan English
13 mv.ru #257,889 Russia Russian
14 yjs.com.tw #302,959 Taiwan English
15 roundcube.pl #370,760 Poland Polish
16 fe-amart.com.tw #372,640 Taiwan Chinese
17 garmtech.email #418,553 United Kingdom English
18 campusspeicher.de #450,296 Germany German
19 ville-fachesthumesnil.fr #493,438 France English
20 metrowalk.com.tw #508,234 Taiwan English

📈 Usage Statistics

Most of the sites that use Roundcube:

Most of the sites using Roundcube are from Poland, Germany, and Russia.

  • Poland 9.5%
  • Germany 9.2%
  • Russia 6.3%
  • United States 5.3%
  • Czech Republic 4.2%
  • Hungary 4.2%
  • Italy 3.3%
  • Slovenia 3.3%
  • Spain 3%
  • Other 51.7%

Most Roundcube users speak English, German, or Polish.

  • English 78.4%
  • German 4.1%
  • Polish 3.6%
  • Hungarian 3.1%
  • Chinese 2%
  • Russian 1.8%
  • Czech 1.3%
  • Spanish 1%
  • Italian 0.7%
  • Other 4%

The Roundcube webmail software is especially popular on .com, .net, and .de top-level domains.

  • .com 18.8%
  • .net 6.1%
  • .de 6.1%
  • .pl 6%
  • .ru 4.5%
  • .hu 4%
  • .cz 3.7%
  • .it 2.3%
  • .com.tw 2.1%
  • Other 46.4%

The primary market segments for websites utilizing Roundcube include Internet services, web mail, and business.

  • Internet Services 26.7%
  • Web Mail 23.3%
  • Business 13.3%
  • Marketing/Merchandising 6.7%
  • Entertainment 6.7%
  • Online Shopping 3.3%
  • Education/Reference 3.3%
  • Health 3.3%
  • General News 3.3%
  • Other 10.1%

🕵️ Similar Technologies

These are some of the best Roundcube alternatives.

RankName
3
Mailcow
Willich, Germany

An open-source groupware and email suite based on Docker.

FreeOpen source
4
SnappyMail
Bilthoven, Netherlands

An open-source web-based email client forked from RainLoop that provides fast, lightweight access to IMAP and SMTP mail servers through a browser.

FreeOpen source
5
Horde
Atlanta, Georgia, United States

An open-source web-based groupware.

FreeOpen source
6
SOGo
Grenoble, France

An open-source groupware server that provides a rich web interface and supports multiple native clients.

FreeOpen source
7
RainLoop

An open-source, web-based email client that is no longer being maintained.

FreeOpen sourceLegacy

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💬 Frequently Asked Questions

What is the company behind Roundcube?

Roundcube is owned by Nextcloud GmbH, headquartered in Stuttgart, Germany.

Does Roundcube offer a free plan?

Yes, there is a free version with limited functionality.

Which country uses Roundcube the most?

The majority of Roundcube users are from Poland.

Who uses Roundcube?

According to our data, Roundcube is used on hundreds of sites, including such established ones as otenet.gr, serviciodecorreo.es, and dpoczta.pl.

How does Roundcube compare to its competitors?

Roundcube is the most popular webmail software on the market, outranking all others.

What are the alternatives to Roundcube?

Alternatives and possible competitors to Roundcube may include SnappyMail, RainLoop, and Mailcow.

👉 See Also

🗃️ About This Data