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crystal-lang/crystal

Coolingrank #185

The Crystal Programming Language

20.4k+19 · 7d 1.7k 129est. Apache-2.0Crystalpushed 5m ago
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Composite

65

conf 65%

Momentum

43

conf 60%

Vitality (PVI)

75

conf 67%

Community

63

conf 60%

Security & maint.

92

conf 85%

Ecosystem influence

71

conf 60%

Opportunity

57

conf 60%

Breakout · 7d

22%

conf 71%

Executive summary

crystal is currently classified as cooling with a composite score of 65/100. Momentum (43) and vitality (75) are aligned — growth is backed by sustained maintenance. Estimated 7-day gain of 19 stars against a 20.4k-star base. Risk is assessed as low; the interpretable model puts its probability of entering the top trend cohort within 7 days at 22%.

90-day trajectory

+103 · 30d
2026-07-072026-10-04

Score breakdown

Every input, weight and normalized value — nothing hidden. Inputs marked est. are estimated until the full ingestion pipeline lands.

Momentum

Star velocityest.25%36
Star accelerationest.15%40
Fork velocityest.10%25
Contributor growthest.10%58
Issue activity growthest.10%73
PR activity growthest.10%45
External mention velocityest.10%1
Release event impactest.5%85
Trending-rank persistenceest.5%69

Model tn-interpretable-1.0.0 · confidence 60% · coverage 100%

Project Vitality Index

Commit consistency20%100
Release cadenceest.15%85
PR responsivenessest.15%61
Issue responsivenessest.15%42
Contributor diversityest.10%78
Maintainer continuityest.10%66
Documentation qualityest.5%81
Dependency freshnessest.5%80
Security hygieneest.5%78

Model tn-interpretable-1.0.0 · confidence 67% · coverage 100%

Security & maintenance

Release recency25%100
License clarity20%92
Maintenance status25%100
Dependency stalenessest.15%87
Bus factorest.15%67

Model tn-interpretable-1.0.0 · confidence 85% · coverage 100%

Ecosystem influence

Dependent repositoriesest.30%80
Quality-weighted dependentsest.20%76
Documentation citationsest.15%84
Contributor overlapest.15%30
Registry adoptionest.10%44
Topic centralityest.10%97

Model tn-interpretable-1.0.0 · confidence 60% · coverage 92% · missing: packageRegistryAdoption