crystal-lang/crystal
The Crystal Programming Language observed · 2026-08-28
Health v2 · maintenance only
97/100
- Activity 99
- Release rhythm 93
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: 13
- age_days: 5027
- days_rel: 48
- days_push: 7
- n_releases_24m: 22
Adoption not part of the score
20388 stars · 1693 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Crystal is a general-purpose, statically type-checked programming language with Ruby-inspired syntax that compiles to efficient native code. It features advanced type inference, compile-time macros, C bindings, and lightweight fibers for concurrency, accompanied by the Shards dependency manager.
Use cases
- write fast compiled programs with Ruby-like syntax
- build a high-performance HTTP server or web backend
- call C libraries without writing C code
- learn a statically typed language that feels dynamic
- build concurrent network services with fibers and channels
- compile CLI tools to native binaries
When to choose
- you want Ruby's developer ergonomics with C-like runtime performance
- you need static type safety without verbose type annotations
- you want compile-time code generation via macros to avoid boilerplate
- you need lightweight concurrency for I/O-bound services
When to avoid
- you need full Windows support in production (still preview)
- you require Ruby compatibility or its gem ecosystem
- you need a very large third-party library ecosystem like Python or JavaScript
- you need mature parallelism guarantees out of the box (parallelism is opt-in)
Facets
cli-tool · maturity active
compiler programming-language type-system concurrency cli package-manager programming-languages compilers developer-tools windows cross-platform cli crystal-language ruby-like-syntax static-typing type-inference fibers native-code shards c-bindings macros open-source command-line linux macos
10 sources
- readme: https://github.com/crystal-lang/crystal · fetched 2026-08-28 · 3a9b270bc6b2
- homepage: https://crystal-lang.org · fetched 2026-08-29 · d00f425a790c
- site_page: https://crystal-lang.org/install · fetched 2026-08-29 · fe6dcf1d35db
- site_page: https://crystal-lang.org/reference/guides/concurrency.html · fetched 2026-08-29 · 257cf9a0473b
- site_page: https://crystal-lang.org/reference · fetched 2026-08-29 · 55caad28bee7
- site_page: https://crystal-lang.org/api · fetched 2026-08-29 · 872531dfb518
- site_page: https://crystal-lang.org/reference/syntax_and_semantics/types_and_methods.html · fetched 2026-08-29 · d60e6e3331b1
- site_page: https://crystal-lang.org/reference/syntax_and_semantics/macros.html · fetched 2026-08-29 · 1e9df458cd47
- site_page: https://crystal-lang.org/reference/latest/man/shards · fetched 2026-08-29 · be83d54b7239
- site_page: https://crystal-lang.org/releases · fetched 2026-08-29 · eedc61b43f67
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| crystal-lang/crystal | main | 97 |
For agents
markdown · JSON · MCP: product_card(name="crystal-lang/crystal")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem