Crystal Crystal

Open-source Crystal projects categorized as Crystal | Edit details

Top 23 Crystal Crystal Projects

  • GitHub repo crystal

    The Crystal Programming Language

    Project mention: OpenSSL Broken | | 2022-01-19

    For reference:

  • GitHub repo kemal

    Fast, Effective, Simple Web Framework

    Project mention: Medusa: The open-source alternative to Shopify | | 2021-12-14

    Kemal (like Sinatra, I really like this one):

  • 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.

  • GitHub repo awesome-crystal

    :gem: A collection of awesome Crystal libraries, tools, frameworks and software

    Project mention: Medusa: The open-source alternative to Shopify | | 2021-12-14
  • GitHub repo amber

    A Crystal web framework that makes building applications fast, simple, and enjoyable. Get started with quick prototyping, less bugs, and blazing fast performance.

    Project mention: Medusa: The open-source alternative to Shopify | | 2021-12-14

    Amber :

  • GitHub repo lucky

    A full-featured Crystal web framework that catches bugs for you, runs incredibly fast, and helps you write code that lasts.

    Project mention: Django defaults that will kill your project | | 2022-01-07

    > Regarding 1. While this is certainly an issue, it’s an issue for anyone using any framework and a challenge of database-backed web applications everywhere.

    No, there are frameworks out there that doesn't allow queries during template rendering. See Lucky for an example,

  • GitHub repo lilith

    x86-64 os made in crystal

    Project mention: Porting YJIT to Rust | | 2022-01-17
  • GitHub repo Mango

    Mango is a self-hosted manga server and web reader

    Project mention: Merry Christmas everyone! To celebrate the holiday (or give us all an excuse to sneak away from family) what’s everyone’s favorite underrated/unknown docker for Unraid so we can all go install and check them out? | | 2021-12-25
  • SonarLint

    Deliver Cleaner and Safer Code - Right in Your IDE of Choice!. SonarLint is a free and open source IDE extension that identifies and catches bugs and vulnerabilities as you code, directly in the IDE. Install from your favorite IDE marketplace today.

  • GitHub repo crystal-by-example

    Crystal By Example

  • GitHub repo crystal-pg

    a postgres driver for crystal

  • GitHub repo ameba

    A static code analysis tool for Crystal

  • GitHub repo crystal-redis

    Full featured Redis client for Crystal

  • GitHub repo jennifer

    Crystal ORM using ActiveRecord pattern with flexible query DSL

    Project mention: Have you checked out Crystal? | | 2021-03-26

    For a more concrete example, I don't think you can have ActiveRecord-like classes which have their fields defined by fetching actual database schema (without defining the schema upfront, like Jennifer does).

  • GitHub repo crecto

    Database wrapper and ORM for Crystal, inspired by Ecto

  • GitHub repo scry

    Scry is a code analysis server for

    Project mention: Crystal 1.1.0 Is Released | | 2021-07-21

    There's a few LSP implementation that are very usable:,

    Beginning of a tree-sitter parser here too:

  • GitHub repo crsfml

    Crystal bindings to SFML multimedia/game library

    Project mention: Can anyone point me to a shard(?) that will let me draw to a window on linux? | | 2021-10-16

    CrSFML is a good one with great docs.

  • GitHub repo sentry

    Build/Runs your crystal application, watches files, and rebuilds/restarts app on file changes (by samueleaton)

  • GitHub repo granite-orm

    ORM Model with Adapters for mysql, pg, sqlite in the Crystal Language.

    Project mention: Announcing Didact the anti-CMS! | | 2021-03-03

    This project has been half a year in the making. I've learned so much from it, most importantly Crystal and learning to love SQLite and hate Postgres. The journey led me through contributing to several dependencies, including the Granite ORM, Markd, the SQLite3 bindings, and even creating Sanemark implementing it in a fork of Markd!

  • GitHub repo clear

    Advanced ORM between postgreSQL and Crystal

  • GitHub repo

    Minimum High Performance Middleware for Crystal Web Server.

  • GitHub repo crystal-db

    Common db api for crystal

  • GitHub repo celestite

    Beautifully reactive, server-side rendered Svelte apps w/ a Crystal backend

  • GitHub repo crystalline

    A Language Server Protocol implementation for Crystal. 🔮

    Project mention: Crystal 1.1.0 Is Released | | 2021-07-21

    There's a few LSP implementation that are very usable:,

    Beginning of a tree-sitter parser here too:

  • GitHub repo Slang

    Slim-inspired templating language for Crystal

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 2022-01-19.

Crystal Crystal related posts


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

Project Stars
1 crystal 17,153
2 kemal 3,239
3 awesome-crystal 2,920
4 amber 2,361
5 lucky 2,198
6 lilith 1,102
7 Mango 955
8 crystal-by-example 506
9 crystal-pg 409
10 ameba 395
11 crystal-redis 361
12 jennifer 346
13 crecto 337
14 scry 315
15 crsfml 299
16 sentry 255
17 granite-orm 255
18 clear 253
19 240
20 crystal-db 232
21 celestite 217
22 crystalline 216
23 Slang 211
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