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questdb/questdb

Coolingrank #200

QuestDB is a high performance, open-source, time-series database

17.3k+23 · 7d 1.6k 115est. Apache-2.0Javapushed 7m ago
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Composite

63

conf 65%

Momentum

44

conf 60%

Vitality (PVI)

69

conf 67%

Community

54

conf 60%

Security & maint.

90

conf 85%

Ecosystem influence

71

conf 60%

Opportunity

61

conf 60%

Breakout · 7d

10%

conf 71%

Executive summary

questdb is currently classified as cooling with a composite score of 63/100. Momentum (44) and vitality (69) are aligned — growth is backed by sustained maintenance. Estimated 7-day gain of 23 stars against a 17.3k-star base. Risk is assessed as low; the interpretable model puts its probability of entering the top trend cohort within 7 days at 10%.

90-day trajectory

+149 · 30d
2026-05-172026-08-14

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%38
Star accelerationest.15%33
Fork velocityest.10%22
Contributor growthest.10%61
Issue activity growthest.10%78
PR activity growthest.10%67
External mention velocityest.10%1
Release event impactest.5%73
Trending-rank persistenceest.5%57

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

Project Vitality Index

Commit consistency20%100
Release cadenceest.15%64
PR responsivenessest.15%56
Issue responsivenessest.15%44
Contributor diversityest.10%76
Maintainer continuityest.10%82
Documentation qualityest.5%71
Dependency freshnessest.5%55
Security hygieneest.5%45

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

Security & maintenance

Release recency25%100
License clarity20%92
Maintenance status25%100
Dependency stalenessest.15%75
Bus factorest.15%66

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

Ecosystem influence

Dependent repositoriesest.30%80
Quality-weighted dependentsest.20%71
Documentation citationsest.15%61
Contributor overlapest.15%50
Registry adoptionest.10%58
Topic centralityest.10%100

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