Crystal HacktoberFest

Open-source Crystal projects categorized as HacktoberFest | Edit details

Top 9 Crystal HacktoberFest Projects

  • Invidious

    Invidious is an alternative front-end to YouTube

    Project mention: No Dislikes has officially ruined YouTube for me | | 2022-05-10

    Interesting! That's the first project written in Crystal I've encountered in the wild.

  • crest

    HTTP and REST client for Crystal (by mamantoha)

    Project mention: Crest 1.0.0 Release | | 2021-10-14

    This article is about Crest — HTTP and REST client for Crystal programming language.

  • Scout APM

    Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.


    :clock3: Run periodic tasks in Crystal


    Source code of

  • crinder

    Class based json renderer in Crystal

  • bitfields

    Bit Fields for Crystal Language

  • HardWire

    A compile-time, non-intrusive dependency injection system.

  • SonarQube

    Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.

  • crie

    Compile-time Trie in Crystal

  • mass-spec

    Web API testing library

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). The latest post mention was on 2022-05-10.

Crystal HacktoberFest related posts


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

Project Stars
1 Invidious 7,497
2 crest 204
3 68
4 31
5 crinder 28
6 bitfields 25
7 HardWire 17
8 crie 12
9 mass-spec 7
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