Question 1

How many companies use FancyBox vs Underscore.js?

Accepted Answer

2,412 companies use FancyBox and 3,680 companies use Underscore.js in our database. Underscore.js is more widely adopted with 1.5x more companies than FancyBox.

Question 2

What percentage of FancyBox users also use Underscore.js?

Accepted Answer

2% of companies using FancyBox also use Underscore.js (49 companies). This overlap suggests the tools serve complementary rather than competing purposes.

Question 3

Which industries prefer FancyBox over Underscore.js?

Accepted Answer

The top industries using FancyBox are E-commerce & Retail, Other, Media & Content, Operations & Logistics, Professional Services. For Underscore.js, the top industries are Media & Content, E-commerce & Retail, Other, Professional Services, Education & Learning.

Question 4

Can I get a list of companies using both FancyBox and Underscore.js?

Accepted Answer

Yes. AgentData tracks 49 companies that use both FancyBox and Underscore.js. Subscribe to access the full list with emails, tech stacks, and contacts via CSV or API.

	FancyBox	Underscore.js
Companies	2,412	3,680
Category	JavaScript libraries	JavaScript libraries
Emails available	4,803	9,919
Overlap	2% of FancyBox users also use Underscore.js (49 companies)

FancyBox vs Underscore.js

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Company adoption

Top industries

Top companies using FancyBox

Top companies using Underscore.js

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