React
Next Js
Vue.js
ASP.net
Ruby on Rails
Express
Astro
Nuxt.js
Laravel
RequireJS
Sales outreach
All 1,504 of these sites already run Rack, with the software development segment leading at 49 sites. Pitch the products and services that fit that exact stack.
Websites using Rack
Software Development Development Frameworks Visit website
Rack is a modular Ruby web server interface. It wraps HTTP requests and responses to provide a unified method for interaction between web servers, frameworks, and applications.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 1,504
- Countries with usage
- 67
- Top market: United States
- 🇺🇸 44.4%
Rack global heatmap
darker = more sitesRack usage by country
by sites detected-
01 🇺🇸 United States 652 44.4%
-
02 🇷🇺 Russia 108 7.4%
-
03 🇩🇪 Germany 76 5.2%
-
04 🇯🇵 Japan 70 4.8%
-
05 🇳🇱 Netherlands 70 4.8%
-
06 🇬🇧 United Kingdom 69 4.7%
-
07 🇫🇷 France 46 3.1%
-
08 🇨🇦 Canada 44 3%
-
09 🇧🇷 Brazil 42 2.9%
-
10 🇪🇸 Spain 28 1.9%
And 57 more countries in the full dataset.
Need every Rack site in one market? Unlock Rack 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/moRack usage by country group
by sites detected-
01 English-Speaking Countries 13 countries 840 57.3%
-
02 North America 2 countries 696 47.4%
-
03 Europe 30 countries 516 35.2%
-
04 Western Europe 18 countries 366 24.9%
-
05 European Union (EU) 23 countries 313 21.3%
-
06 BRICS 6 countries 175 11.9%
-
07 Asia-Pacific (APAC) 14 countries 157 10.7%
-
08 Eastern Europe 12 countries 150 10.2%
-
09 DACH 3 countries 94 6.4%
-
10 East Asia 5 countries 82 5.6%
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 1,467 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Rack
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 pixiv.net
|
989 | $1.63M+ | 🇯🇵 Japan | net |
| 02 |
 flipboard.com
|
3,151 | $452K+ | 🇺🇸 United States | com |
| 03 |
 roll20.net
|
11,277 | $212K+ | 🇺🇸 United States | net |
| 04 |
 looker.com
|
11,356 | $9.65K+ | 🇺🇸 United States | com |
| 05 |
 altmetric.com
|
12,934 | $122K+ | 🇬🇧 United Kingdom | com |
| 06 |
 authy.com
|
13,274 | $164K+ | 🇺🇸 United States | com |
| 07 |
 doximity.com
|
14,857 | $79.26K+ | 🇺🇸 United States | com |
| 08 |
 salecycle.com
|
15,481 | $119K+ | 🇬🇧 United Kingdom | com |
| 09 |
 cloudamqp.com
|
17,253 | $192K+ | 🇸🇪 Sweden | com |
| 10 |
 sageone.com
|
17,577 | $48.91K+ | 🇺🇸 United States | com |
| 11 |
 purplle.com
|
19,005 | $34.51K+ | 🇮🇳 India | com |
| 12 |
 matchmasters.com
|
21,021 | $3.07K+ | 🇫🇷 France | com |
| 13 |
 atitesting.com
|
23,937 | $361K+ | 🇺🇸 United States | com |
| 14 | wishabi.com | 29,885 | $7.03K+ | 🇨🇦 Canada | com |
| 15 |
 zipcar.com
|
39,956 | $448K+ | 🇺🇸 United States | com |
| 16 |
 easypost.com
|
40,257 | $388K+ | 🇺🇸 United States | com |
| 17 | serialssolutions.com | 41,745 | $1.33K+ | 🇺🇸 United States | com |
| 18 |
 hobancards.com
|
48,821 | $5.94K+ | 🇺🇸 United States | com |
| 19 |
 dekudeals.com
|
50,616 | $13.49K+ | 🇺🇸 United States | com |
| 20 |
 caida.org
|
55,062 | $92.83K+ | 🇺🇸 United States | org |
This is 20 of 1,504 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using Rack
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| One Acre Fund |
 oneacrefund.org
|
5001-10000 | Non-profit Organizations | 🇰🇪 Kenya | 2006 |
| University Of Applied Sciences And Arts… |
 hevs.ch
|
501-1000 | Higher Education | 🇨🇭 Switzerland | - |
| Foundation Direct |
 foundationdirect.com
|
11-50 | Technology, Information and Media | 🇺🇸 United States | 2019 |
| Convo Communications |
 convorelay.com
|
201-500 | Telecommunications | 🇺🇸 United States | 2009 |
| （株）浜島書店 | hamajima.co.jp | 51-200 | Book and Periodical Publishing | 🇺🇳 - | 1949 |
| Publicis Commerce |
 publiciscommerce.com
|
10001+ | marketing and advertising | 🇺🇸 United States | - |
| アークランドサカモト（株） | arcland.co.jp | 1001-5000 | Retail | 🇯🇵 Japan | - |
| Wishabi | wishabi.com | - | - | 🇨🇦 Canada | 2008 |
| Goren.Design & Ventures Studio |
 goren.design
|
1-10 | Design Services | 🇺🇳 - | 1999 |
| Drw |
 drw.com
|
1001-5000 | Financial Services | 🇺🇸 United States | 1992 |
| DealRoom |
 dealroom.net
|
51-200 | Software Development | 🇺🇸 United States | 2012 |
| Open IT |
 openit.com
|
201-500 | Software Development | 🇺🇸 United States | 1999 |
| 1890 Bryant Street Studios | 1890bryant.com | 1-10 | - | 🇺🇸 United States | - |
| The Franchise Group |
 thefranchisegroup.com
|
11-50 | Advertising Services | 🇺🇸 United States | 2006 |
| Université Evry Val Essonne |
 univ-evry.fr
|
501-1000 | information technology and services | 🇫🇷 France | - |
| Pepper Sprout |
 peppersprout.eu
|
- | - | 🇩🇪 Germany | - |
| Signal HQ (acquired By Bombora) | signal-hq.com | 1-10 | Software Development | 🇺🇸 United States | 2018 |
| Doximity |
doximity.com
|
501-1000 | computer software | 🇺🇸 United States | 2010 |
| Unifyr |
 unifyr.com
|
51-200 | Software Development | 🇺🇸 United States | 2006 |
| SK Prosek Praha |
 badmintonprosek.cz
|
11-50 | Sports Teams and Clubs | 🇺🇳 Czechia | - |
| Sauk |
 studyadvisers.com
|
201-500 | Education Management | 🇬🇧 United Kingdom | - |
| Purplle.com |
purplle.com
|
1001-5000 | internet | 🇮🇳 India | 2012 |
| Roll20 |
roll20.net
|
51-200 | Software Development | 🇺🇸 United States | 2012 |
| Looker |
looker.com
|
501-1000 | computer software | 🇺🇸 United States | 2012 |
| Hoban Cards |
hobancards.com
|
1-10 | Printing Services | 🇺🇸 United States | 2010 |
| MAPA PROFESSIONAL |
 mapa-pro.com
|
1001-5000 | Manufacturing | 🇫🇷 France | 1957 |
| Hospital SP Plus |
 spplussaude.com.br
|
201-500 | Hospitals and Health Care | 🇧🇷 Brazil | - |
| CarePaths Inc. |
 carepaths.com
|
11-50 | Mental Health Care | 🇺🇸 United States | 2000 |
| Penta Esp |
 pentaesp.com
|
501-1000 | electrical/electronic manufacturing | 🇫🇷 France | 1887 |
| Pil.dk | pil.dk | 1-10 | internet | 🇩🇰 Denmark | - |
| One Bangkok |
 onebangkok.com
|
201-500 | Real Estate | 🇹🇭 Thailand | 2018 |
| FlexMyRoom |
 flexmyroom.com
|
11-50 | Hospitality | 🇪🇸 Spain | 2020 |
| Chartwells Sheridan |
 dineoncampus.ca
|
51-200 | Food and Beverage Services | 🇨🇦 Canada | - |
| Ascend Learning |
 ascendlearning.com
|
1001-5000 | E-learning | 🇺🇸 United States | - |
| StreetLib Italia |
 streetlib.com
|
11-50 | Book and Periodical Publishing | 🇮🇹 Italy | 2006 |
| Stoplight Interactive, Llc | stoplightinteractive.com | 1-10 | marketing and advertising | 🇺🇸 United States | 2015 |
| Modern Health |
 modernhealth.com
|
201-500 | Mental Health Care | 🇺🇸 United States | 2017 |
| ATI Nursing Education |
atitesting.com
|
501-1000 | Higher Education | 🇺🇸 United States | 1997 |
| 東北放送（株） |
 tbc-sendai.co.jp
|
51-200 | Public Relations and Communications Services | 🇺🇳 - | - |
| Mon 7 Consulting AB |
 mon7.se
|
1-10 | IT Services and IT Consulting | 🇸🇪 Sweden | - |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Rack usage by industry
by TLD segment-
01 Software Development 49 25.8%
-
02 IT Services and IT Consulting 21 11.1%
-
03 Technology, Information and Internet 16 8.4%
-
04 Advertising Services 13 6.8%
-
05 information technology and services 11 5.8%
-
06 internet 9 4.7%
-
07 computer software 8 4.2%
-
08 Information Technology & Services 7 3.7%
-
09 Hospitals and Health Care 7 3.7%
-
10 Non-profit Organizations 6 3.2%
Rack industry distribution chart
share by domain segmentRack users by company revenue
139 companiesTechnologies related to Rack
Development FrameworksPut it to work
What teams do with the Rack list
Competitor analysis
Selling React, Next Js, or another Development Frameworks product? These 1.5K Rack users are your displacement audience, filterable by country and company size.
Market research
Top markets for Rack: United States (44.4%), Russia (7.4%), Germany (5.2%). Size the Development Frameworks market by geography before you build or invest.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
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