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simstudioai/sim

Establishedrank #76

Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

29.9k+679 · 7d 3.9k 193est. Apache-2.0TypeScriptpushed 2m ago
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Composite

72

conf 65%

Momentum

62

conf 60%

Vitality (PVI)

73

conf 67%

Community

66

conf 60%

Security & maint.

92

conf 85%

Ecosystem influence

75

conf 60%

Opportunity

67

conf 60%

Breakout · 7d

45%

conf 71%

Executive summary

sim is currently classified as established with a composite score of 72/100. Momentum (62) and vitality (73) are aligned — growth is backed by sustained maintenance. Estimated 7-day gain of 679 stars against a 29.9k-star base. Risk is assessed as low; the interpretable model puts its probability of entering the top trend cohort within 7 days at 45%.

90-day trajectory

+3k · 30d
2026-08-032026-10-31

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%79
Star accelerationest.15%48
Fork velocityest.10%70
Contributor growthest.10%56
Issue activity growthest.10%70
PR activity growthest.10%73
External mention velocityest.10%21
Release event impactest.5%82
Trending-rank persistenceest.5%49

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

Project Vitality Index

Commit consistency20%100
Release cadenceest.15%62
PR responsivenessest.15%61
Issue responsivenessest.15%54
Contributor diversityest.10%85
Maintainer continuityest.10%62
Documentation qualityest.5%75
Dependency freshnessest.5%86
Security hygieneest.5%67

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

Security & maintenance

Release recency25%100
License clarity20%92
Maintenance status25%100
Dependency stalenessest.15%64
Bus factorest.15%95

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

Ecosystem influence

Dependent repositoriesest.30%88
Quality-weighted dependentsest.20%67
Documentation citationsest.15%84
Contributor overlapest.15%56
Registry adoptionest.10%39
Topic centralityest.10%100

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