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What is Crystal?

Crystal is a programming language that resembles Ruby but compiles to native code and tries to be much more efficient, at the cost of disallowing certain dynamic aspects of Ruby.
Crystal is a tool in the Languages category of a tech stack.
Crystal is an open source tool with 14.1K GitHub stars and 1.1K GitHub forks. Here’s a link to Crystal's open source repository on GitHub

Who uses Crystal?

19 companies reportedly use Crystal in their tech stacks, including bitupper, Atnos, and Diploid.

118 developers on StackShare have stated that they use Crystal.

Crystal's Features

  • Ruby-inspired syntax.
  • Statically type-checked but without having to specify the type of variables or method arguments.
  • Be able to call C code by writing bindings to it in Crystal.
  • Have compile-time evaluation and generation of code, to avoid boilerplate code.
  • Compile to efficient native code.

Crystal Alternatives & Comparisons

What are some alternatives to Crystal?
Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.
JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for its elegant syntax and readable code, if you are just beginning your programming career python suits you best.
Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are lots of applications and websites that will not work unless you have Java installed, and more are created every day. Java is fast, secure, and reliable. From laptops to datacenters, game consoles to scientific supercomputers, cell phones to the Internet, Java is everywhere!
HTML5 is a core technology markup language of the Internet used for structuring and presenting content for the World Wide Web. As of October 2014 this is the final and complete fifth revision of the HTML standard of the World Wide Web Consortium (W3C). The previous version, HTML 4, was standardised in 1997.
See all alternatives

Crystal's Followers
158 developers follow Crystal to keep up with related blogs and decisions.
Олександр Балишин
Admin Bebopx
Kazi Manzur Rashid
Stefan Hoffmann
Aleksandr Yakimenko
Aram Anderson
Ruslan Gerasimov
John Alton