ua-parser-js

The premium Open Source alternative to DeviceAtlas

🎯 Best for:Developers needing reliable client-side or server-side device identification.
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AGPL-3.0License

What is ua-parser-js?

Replaces paid device detection APIs with a lightweight JavaScript library. Parses User-Agent strings to identify browsers, OS, and hardware without external dependencies.

Tech Stack
JavaScriptOS & Utilities

Why ua-parser-js?

  • Zero dependencies
  • Extensive device database
  • Small footprint

Limitations

  • UA string unreliability
  • Frequent updates needed
  • Dual-license complexity
3/5/2026
Last Update
1,220
Forks
21
Issues
AGPL-3.0
License
Financial Leak Detected

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Competitor Cost
-$1,440
/ year (est. based on DeviceAtlas)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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