Crystal API

Open-source Crystal projects categorized as API
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Top 7 Crystal API Projects

API

  1. kemal

    Fast, Effective, Simple Web Framework

    Project mention: Building My First Web App with the Help of AI | dev.to | 2025-03-23

  2. CodeRabbit

    CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.

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  3. athena

    An ecosystem of reusable, independent components

  4. marionette

    Selenium alternative for Crystal. Browser manipulation without the Java overhead.

  5. toro

    Tree oriented routing

  6. runcobo

    An api framework with type-safe params, elegant json serializer. Thanks for enjoying it! 👻👻 https://runcobo.github.io/docs/

  7. gphoto2-web.cr

    REST API for libgphoto2

  8. pinboard.cr

    A crystal client for the Pinboard API

  9. InfluxDB

    InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.

    InfluxDB logo
NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Crystal API related posts

  • Medusa: The open-source alternative to Shopify

    8 projects | /r/programming | 14 Dec 2021

  • Crystal for the curious Ruby on Rails Developer

    4 projects | dev.to | 11 Aug 2021

Index

What are some of the best open-source API projects in Crystal? This list will help you:

# Project Stars
1 kemal 3,676
2 athena 216
3 marionette 183
4 toro 147
5 runcobo 50
6 gphoto2-web.cr 12
7 pinboard.cr 5

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Did you know that Crystal is
the 61st most popular programming language
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