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Signals
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oven-sh/bun

Resurgentrank #109

Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

96.2k+949 · 7d 5.1k 185est. NOASSERTIONRustpushed 6m ago

Composite

72

conf 65%

Momentum

70

conf 60%

Vitality (PVI)

72

conf 67%

Community

68

conf 60%

Security & maint.

81

conf 85%

Ecosystem influence

69

conf 60%

Opportunity

61

conf 60%

Breakout · 7d

68%

conf 71%

Executive summary

bun is currently classified as resurgent with a composite score of 72/100. Momentum (70) and vitality (72) are aligned — growth is backed by sustained maintenance. Estimated 7-day gain of 949 stars against a 96.2k-star base. Risk is assessed as low; the interpretable model puts its probability of entering the top trend cohort within 7 days at 68%.

90-day trajectory

+3.4k · 30d
2026-07-142026-10-11

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%83
Star accelerationest.15%59
Fork velocityest.10%75
Contributor growthest.10%83
Issue activity growthest.10%82
PR activity growthest.10%80
External mention velocityest.10%9
Release event impactest.5%82
Trending-rank persistenceest.5%62

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

Project Vitality Index

Commit consistency20%100
Release cadenceest.15%64
PR responsivenessest.15%74
Issue responsivenessest.15%36
Contributor diversityest.10%84
Maintainer continuityest.10%67
Documentation qualityest.5%86
Dependency freshnessest.5%67
Security hygieneest.5%67

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%65
Bus factorest.15%99

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

Ecosystem influence

Dependent repositoriesest.30%90
Quality-weighted dependentsest.20%77
Documentation citationsest.15%34
Contributor overlapest.15%35
Registry adoptionest.10%67
Topic centralityest.10%100

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