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acornjs/acorn

Decliningrank #195

A small, fast, JavaScript-based JavaScript parser

11.5k+13 · 7d 1.1k 60est. NOASSERTIONJavaScriptpushed 6m ago
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Composite

59

conf 65%

Momentum

39

conf 60%

Vitality (PVI)

74

conf 67%

Community

58

conf 60%

Security & maint.

71

conf 85%

Ecosystem influence

62

conf 60%

Opportunity

46

conf 60%

Breakout · 7d

8%

conf 71%

Executive summary

acorn is currently classified as declining with a composite score of 59/100. Momentum (39) and vitality (74) are aligned — growth is backed by sustained maintenance. Estimated 7-day gain of 13 stars against a 11.5k-star base. Risk is assessed as low; the interpretable model puts its probability of entering the top trend cohort within 7 days at 8%.

90-day trajectory

+85 · 30d
2026-07-102026-10-07

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%32
Star accelerationest.15%33
Fork velocityest.10%11
Contributor growthest.10%54
Issue activity growthest.10%42
PR activity growthest.10%70
External mention velocityest.10%1
Release event impactest.5%87
Trending-rank persistenceest.5%71

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

Project Vitality Index

Commit consistency20%100
Release cadenceest.15%71
PR responsivenessest.15%49
Issue responsivenessest.15%76
Contributor diversityest.10%66
Maintainer continuityest.10%86
Documentation qualityest.5%61
Dependency freshnessest.5%56
Security hygieneest.5%61

Model tn-interpretable-1.0.0 · confidence 67% · coverage 92% · missing: licenseClarity

Security & maintenance

Release recency25%100
License clarity20%30
Maintenance status25%100
Dependency stalenessest.15%43
Bus factorest.15%58

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

Ecosystem influence

Dependent repositoriesest.30%76
Quality-weighted dependentsest.20%75
Documentation citationsest.15%65
Contributor overlapest.15%59
Registry adoptionest.10%51
Topic centralityest.10%4

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