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Amber

Amber is one of 91 technologies we detect in Web servers.

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detected by AwesomeTechStack auditsamberframework.org

About Amber

Amber is a web application framework written in Crystal inspired by Kemal, Rails, Phoenix and other popular application frameworks.

How many people use Amber

GitHub · npm
  1. #28Daphne2.7k
  2. #29Kestrel2.6k
  3. #30Angie2.6k
  4. #31Amber2.6k
  5. #32actionhero.js2.4k
  6. #33Apache Traffic Server2k
  7. #34CherryPy1.9k

#31 of 59 Web servers we have counts for (of 91) · bars are GitHub stars across these neighbours; the category leader is Next.js at 143k · as of November 8, 2026

Compare

Amber

#31 of 59 Web servers

stars2.6k
Angie

#30 of 59 Web servers

stars2.6k

Audit any site that runs Amber.

Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.

How we audit Amber

We measure the detected version against Amber's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.

How the score works

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