Opal is a Ruby-to-JavaScript compiler that allows Ruby code to run in web browsers by converting it into JavaScript.

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Companies

320

Top Country

US

Top Industry

Commercial Real Estate

Adoption Insights

Opal is used by 320 companies in our database, representing approximately 0.01% of all tracked websites. The most common industry using Opal is Commercial Real Estate, and adoption is strongest in US.

Top Countries Using Opal

US159 companies
IT22 companies
CA19 companies
ES15 companies
GB14 companies
DE14 companies
FR10 companies
AU9 companies
PL7 companies
TH7 companies

Top Industries Using Opal

Commercial Real Estate22 companies
E-Commerce17 companies
Construction17 companies
Commercial14 companies
Consulting11 companies
Civil Engineering10 companies
Real Estate10 companies
Property Management10 companies
Health Care9 companies
Charity8 companies

Companies Using Opal

CompanyDomain
Khosla Capitalkhoslacap.com
HomeSighthomesightwa.org
Kentucky Student Success Collaborativekystudentsuccess.org
Specto Photonicsspectophotonics.com
Archademy Companyarchademy.com.br
Mary & Martha Housemarymarthahouse.org
Humans in the Loophumansintheloop.org
L.O.V.E. Girlslovegirlsinc.com
St. Sophia's Forgotten Felinesstsff.com
Lasenorlasenor.com

How We Detect Opal

The Web Radar detects Opal by analyzing HTTP headers, JavaScript variables, HTML source code, cookies, and DNS records across 3M+ websites. Our detection engine uses over 10,000+ pattern rules to ensure accurate identification. Browse all technologies →

Frequently Asked Questions

What is Opal?+

Opal is a Ruby-to-JavaScript compiler that allows Ruby code to run in web browsers by converting it into JavaScript.

How many companies use Opal?+

320 companies in our database use Opal, representing approximately 0.01% of all tracked websites.

What industries use Opal the most?+

The top industries using Opal are Commercial Real Estate, E-Commerce, Construction.

What countries use Opal the most?+

The top countries using Opal are US, IT, CA.

Is Opal popular?+

Opal is used by 320 companies, making it a notable Development technology based on adoption across our tracked websites.

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Data last updated: June 2026