Amber
A Crystal web framework for building applications with quick prototyping, fewer bugs, and fast performance.
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Homebrew analytics installs: 27 installs (2026) to 16 installs (2026)
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About Amber
Amber is a web framework built on the Crystal programming language that helps developers build web applications with a structured, opinionated approach. The framework provides built-in tooling for routing, controllers, views, configuration, migrations, and asset management, aiming to reduce boilerplate code and let developers focus on business logic. Amber is developed by amberframework and released under the MIT license.
The framework emphasizes quick setup and developer experience, offering command-line tools for scaffolding projects and generating code components. Amber includes features like typed configuration, request schemas, and server-rendered views using ECR templating. The framework is designed to compile to native code while maintaining garbage collection, making it suitable for building performant web services. A native application option is also available for cross-platform development on macOS, iOS, and Android.
Checked 3 November 2026.
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