Crystal
The Crystal Programming Language observed · 2026-10-11
Health v2 · maintenance only
98/100
- Activity 99
- Release rhythm 96
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-10-21. Adoption (stars, forks) is never an input.
- gap_med: 13.0
- age_days: 5075
- days_rel: 24
- days_push: 10
- n_releases_24m: 21
Adoption not part of the score
20446 stars · 1718 forks observed · 2026-10-11
What it is AI-extracted, prompt v1, taxonomy v1, 2026-10-19, confidence 0.98
Crystal is a general‑purpose, object‑oriented programming language with Ruby‑like syntax and static type inference. It compiles to efficient native code and includes a built‑in package manager called Shards.
Use cases
- write high‑performance server back‑ends with a Ruby‑style syntax
- build command‑line tools that need native speed without manual memory management
- develop concurrent applications using lightweight fibers
- create libraries that can interoperate with C code
- prototype algorithms quickly while still getting compiled performance
When to choose
- you want Ruby‑like ergonomics but need compiled performance
- you need built‑in concurrency primitives (fibers) and a fast standard library
- you prefer a language with strong type inference that avoids explicit type annotations
When to avoid
- your project requires extensive Windows GUI support (still preview)
- you need a mature ecosystem of third‑party libraries comparable to Python or JavaScript
- you prefer a language with a long‑standing corporate backing or LTS releases
Facets
application · maturity active
programming-language programming-languages windows cross-platform ruby-inspired-syntax static-type-inference native-compilation fibers-concurrency shards-dependency-manager linux macos
10 sources
- readme: https://github.com/crystal-lang/crystal · fetched 2026-10-11 · 3a9b270bc6b2
- homepage: https://crystal-lang.org · fetched 2026-10-05 · e7286affaf1b
- site_page: https://crystal-lang.org/install · fetched 2026-10-05 · 8b12c4c48c7b
- site_page: https://crystal-lang.org/reference/guides/concurrency.html · fetched 2026-10-05 · 257cf9a0473b
- site_page: https://crystal-lang.org/reference · fetched 2026-10-05 · 55caad28bee7
- site_page: https://crystal-lang.org/api · fetched 2026-10-05 · b68fc9c7935b
- site_page: https://crystal-lang.org/reference/syntax_and_semantics/types_and_methods.html · fetched 2026-10-05 · d60e6e3331b1
- site_page: https://crystal-lang.org/reference/syntax_and_semantics/macros.html · fetched 2026-10-05 · 1e9df458cd47
- site_page: https://crystal-lang.org/reference/latest/man/shards · fetched 2026-10-05 · be83d54b7239
- site_page: https://crystal-lang.org/releases · fetched 2026-10-05 · 2f75052fca90
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| crystal-lang/crystal | main | 98 |
| crystal-lang/shards | plugin | 72 |
| crystal-lang/crystal-book | docs | 77 |
| crystal-lang/heroku-buildpack-crystal | infra | 10 |
| crystal-lang/install-crystal | infra | 90 |
| crystal-lang/crystal-website | docs | 77 |
For agents
markdown · JSON · MCP: product_card(name="crystal-lang/crystal")
Data as of 2026-10-19T08:05:51.212177+00:00 · Report a problem