Sales outreach
All 17,743 of these sites already run Roundcube, with the information technology and services segment leading at 29 sites. Pitch the products and services that fit that exact stack.
Websites using Roundcube
Hosting & Infrastructure Email Hosting Visit website
Roundcube is a free, open-source, browser-based IMAP email client, offering a user-friendly interface and essential features like MIME support and address book functionality.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 17,743
- Countries with usage
- 137
- Top market: United States
- 🇺🇸 16.6%
Roundcube global heatmap
darker = more sitesRoundcube usage by country
by sites detected-
01 🇺🇸 United States 2,910 16.6%
-
02 🇩🇪 Germany 2,683 15.3%
-
03 🇵🇱 Poland 899 5.1%
-
04 🇭🇺 Hungary 835 4.8%
-
05 🇸🇪 Sweden 830 4.7%
-
06 🇫🇷 France 788 4.5%
-
07 🇷🇺 Russia 689 3.9%
-
08 🇳🇱 Netherlands 561 3.2%
-
09 🇬🇧 United Kingdom 545 3.1%
-
10 🇭🇰 Hong Kong 508 2.9%
And 127 more countries in the full dataset.
Need every Roundcube site in one market? Unlock Roundcube once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moRoundcube usage by country group
by sites detected-
01 Europe 46 countries 11,282 64.2%
-
02 European Union (EU) 27 countries 9,561 54.4%
-
03 Western Europe 22 countries 7,161 40.8%
-
04 English-Speaking Countries 25 countries 4,622 26.3%
-
05 Eastern Europe 22 countries 4,119 23.5%
-
06 North America 4 countries 3,149 17.9%
-
07 DACH 4 countries 3,147 17.9%
-
08 Asia-Pacific (APAC) 25 countries 2,220 12.6%
-
09 French-Speaking Countries 17 countries 1,324 7.5%
-
10 Nordics 7 countries 1,245 7.1%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 17,563 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Roundcube
by popularity| # | Website | Popularity | Country | TLD |
|---|---|---|---|---|
| 01 |
|
17,716 | 🇬🇷 Greece | gr |
| 02 |
|
27,615 | 🇧🇷 Brazil | br |
| 03 |
|
28,541 | 🇺🇸 United States | com |
| 04 |
|
29,445 | 🇺🇸 United States | net |
| 05 |
|
39,404 | 🇪🇸 Spain | es |
| 06 |
|
52,513 | 🇺🇸 United States | net |
| 07 |
|
53,909 | 🇷🇴 Romania | ro |
| 08 |
|
55,351 | 🇫🇷 France | net |
| 09 |
|
64,284 | 🇬🇧 United Kingdom | uk |
| 10 |
|
69,695 | 🇳🇱 Netherlands | |
| 11 |
|
70,676 | 🇷🇺 Russia | ru |
| 12 |
|
75,185 | 🇬🇧 United Kingdom | uk |
| 13 |
|
97,614 | 🇷🇺 Russia | com |
| 14 |
|
102,803 | 🇺🇳 Czechia | cz |
| 15 |
|
104,499 | 🇮🇳 India | in |
| 16 |
|
105,087 | 🇷🇺 Russia | ru |
| 17 |
|
112,844 | 🇷🇺 Russia | ru |
| 18 |
|
128,764 | 🇦🇷 Argentina | ar |
| 19 |
|
135,752 | 🇧🇷 Brazil | br |
| 20 |
|
136,397 | 🇩🇪 Germany | eu |
This is 20 of 17,743 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Download the full listCompanies using Roundcube
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Hotplug |
|
- | - | 🇺🇳 - | - |
| Prince Technologies Corporation |
|
11-50 | Computer Software | 🇵🇭 Philippines | 1997 |
| Lamar County |
|
51-200 | - | 🇺🇸 United States | - |
| Scr Grup |
|
5001-10000 | Real Estate | 🇷🇴 Romania | 1993 |
| Grupo Qdq |
|
201-500 | Marketing And Advertising | 🇪🇸 Spain | - |
| Hotel Linder |
|
1-10 | Hospitality | 🇵🇱 Poland | - |
| Pt Batamindo Investment Cakrawala |
|
501-1000 | Investment Management | 🇮🇩 Indonesia | 1989 |
| Action Shoes |
|
10001+ | Consumer Goods | 🇮🇳 India | 1972 |
| Zš Kúpeľná Mojimi Očami |
|
1-10 | - | 🇺🇳 Slovakia | - |
| Maternidade E Hospital Evangélico De Brusque |
|
51-200 | Health, Wellness And Fitness | 🇺🇳 - | 1937 |
| D & H Masonry Inc. |
|
201-500 | - | 🇺🇸 United States | - |
| Tbi Motion Technology Co., Ltd. |
|
501-1000 | Industrial Automation | 🇹🇼 Taiwan | 1986 |
| Telsol |
|
- | - | 🇺🇳 - | 1995 |
| Cinemedia Network Private Limited |
|
11-50 | Marketing And Advertising | 🇮🇳 India | 2019 |
| Sacramento Laundry Company |
|
201-500 | Hospitality | 🇺🇸 United States | 1991 |
| Pt Berkah Andalan Rekayasa |
|
11-50 | Oil & Energy | 🇺🇳 - | - |
| Societe Des Brasseries Du Maroc President De La Ccifm |
|
501-1000 | Food Production | 🇲🇦 Morocco | - |
| Oxid L.P. |
|
- | - | 🇺🇳 - | 1981 |
| Essex Region Conservation Authority |
|
51-200 | Public Policy | 🇨🇦 Canada | 1973 |
| Fuerland Realty |
|
1-10 | - | 🇨🇦 Canada | - |
| Globo Consórcio | Consórcio Chevrolet |
|
51-200 | Financial Services | 🇧🇷 Brazil | 1997 |
| Intellisense Co. Ltd, (webcam Laboratory) |
|
11-50 | Information Technology And Services | 🇺🇳 - | - |
| National Institute Of Pharmaceutical Education And Research |
|
201-500 | Higher Education | 🇮🇳 India | - |
| Cadwell Limited |
|
501-1000 | Real Estate | 🇳🇬 Nigeria | 2001 |
| Tuva Energy Industrial |
|
- | - | 🇺🇳 - | 2012 |
| Blue Piscines |
|
1-10 | Construction | 🇧🇪 Belgium | - |
| Conselho Regional De Farmácia Do Pará |
|
51-200 | Civic & Social Organization | 🇧🇷 Brazil | 1961 |
| Dunlop Protective Footwear |
|
201-500 | Chemicals | 🇪🇸 Spain | 1905 |
| Inter Art Projekt |
|
1-10 | - | 🇺🇳 Czechia | - |
| Auburn Foundry, Inc |
|
11-50 | Mining & Metals | 🇺🇸 United States | - |
| Venezia-ice |
|
501-1000 | Restaurants | 🇺🇳 - | 2000 |
| Washouse Consultancy |
|
1-10 | Management Consulting | 🇬🇧 United Kingdom | - |
| Wsk Kraków Llc |
|
201-500 | Aviation & Aerospace | 🇵🇱 Poland | 1952 |
| Coomarpes Ltda. |
|
51-200 | Fishery | 🇦🇷 Argentina | 1950 |
| Applus+ Nray |
|
11-50 | Aviation & Aerospace | 🇨🇦 Canada | 1994 |
| Ortadoğu Makina |
|
11-50 | Textiles | 🇹🇷 Turkey | 2000 |
| Leader |
|
201-500 | Security And Investigations | 🇮🇳 India | 2005 |
| Gtdmc |
|
51-200 | Facilities Services | 🇵🇰 Pakistan | 2007 |
| Pv Scientific Instruments |
|
1-10 | Electrical/electronic Manufacturing | 🇺🇸 United States | - |
| Rivalve Living Creation |
|
51-200 | Furniture | 🇮🇩 Indonesia | 2018 |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Roundcube usage by industry
by TLD segment-
01 Information Technology And Services 29 14%
-
02 Retail 19 9.2%
-
03 Marketing And Advertising 15 7.2%
-
04 Internet 14 6.8%
-
05 Computer Software 12 5.8%
-
06 Real Estate 12 5.8%
-
07 Financial Services 11 5.3%
-
08 Construction 10 4.8%
-
09 Management Consulting 9 4.3%
-
10 Accounting 9 4.3%
Roundcube industry distribution chart
share by domain segmentTechnologies related to Roundcube
Email HostingPut it to work
What teams do with the Roundcube list
Competitor analysis
Selling SPF (Sender Policy Framework), DMARC, or another Email Hosting product? These 17.7K Roundcube users are your displacement audience, filterable by country and company size.
Market research
Roundcube adoption concentrates in United States (16.6%), Germany (15.3%), and Poland (5.1%). Size the Email Hosting market by geography before you build or invest.
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