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SanderMertens/flecs

Coolingrank #33

A fast entity component system (ECS) for C & C++

8.8k+13 · 7d 629 51est. NOASSERTIONCpushed 33m ago
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Composite

60

conf 65%

Momentum

39

conf 60%

Vitality (PVI)

77

conf 67%

Community

52

conf 60%

Security & maint.

78

conf 85%

Ecosystem influence

63

conf 60%

Opportunity

61

conf 60%

Breakout · 7d

27%

conf 71%

Executive summary

flecs is currently classified as cooling with a composite score of 60/100. Momentum (39) and vitality (77) are aligned — growth is backed by sustained maintenance. Estimated 7-day gain of 13 stars against a 8.8k-star base. Risk is assessed as low; the interpretable model puts its probability of entering the top trend cohort within 7 days at 27%.

90-day trajectory

+64 · 30d
2026-08-022026-10-30

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%44
Fork velocityest.10%17
Contributor growthest.10%42
Issue activity growthest.10%48
PR activity growthest.10%78
External mention velocityest.10%1
Release event impactest.5%61
Trending-rank persistenceest.5%59

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

Project Vitality Index

Commit consistency20%100
Release cadenceest.15%56
PR responsivenessest.15%94
Issue responsivenessest.15%70
Contributor diversityest.10%64
Maintainer continuityest.10%77
Documentation qualityest.5%69
Dependency freshnessest.5%88
Security hygieneest.5%37

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%87
Bus factorest.15%60

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

Ecosystem influence

Dependent repositoriesest.30%71
Quality-weighted dependentsest.20%72
Documentation citationsest.15%65
Contributor overlapest.15%33
Registry adoptionest.10%24
Topic centralityest.10%100

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