SignalStack
Where the money flows · what the market says
backend · postgres   ·   9.900 listings
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39 of 9.900 listings match. Time = 5y, src = 8/8, lang = all, dict = D1, terms = 6(ANY). last watermark · 2026-05-06
Demand index · last 4 wk vs window mean
3167%
above baseline
Reg. pressure (D5 mentions)
9
across all listings in window
Top mover · D1
Jira
∞ (z=99.0)
Recurring clusters
1
near-duplicate templates

01All 20 terms · Tools

7/20 have ≥1 citation · sparkline = trend · click row to filter · zero-count terms shown at bottom

02Term trend · top 5

anomalies marked · z > 2.5

024572021-052022-082023-112025-022026-05
PostgresExcelJiraDATEVHubSpot

03Top movers · current half vs prev half

largest |Δ%| · z-score (Poisson)

TermNowPrevΔ %z
Jira5099.0
SAP100.0
Excel17099.0
DATEV200.0
Postgres18099.0
HubSpot200.0
Confluence100.0

04Co-occurrence · top 20 pairs

Lift = P(A,B)/(P(A)·P(B)) · click to filter on both

Term ATerm BCountLift
PostgresAPI61.44×
Postgresintegrieren41.24×
Postgrespipeline42.17×
pipelineAPI44.33×
Postgresexportieren32.17×
PostgresDSGVO32.17×
Jiraintegrieren22.23×
DATEVPostgres22.17×
ExcelHubSpot22.29×
Excelreporten22.29×
ExcelXRechnung22.29×
ExcelZUGFeRD22.29×
Excele-Rechnung22.29×
ExcelXRechnung22.29×
ExcelZUGFeRD22.29×
XRechnungZUGFeRD219.50×
XRechnunge-Rechnung219.50×
XRechnungXRechnung219.50×
XRechnungZUGFeRD219.50×
ZUGFeRDe-Rechnung219.50×

05Recurring clusters · near-duplicate listings

indicates productizable workflows · click row for records

ExemplarSourcesMembersMedian gap
Show HN: I extract recipes from TikTok, Instagram, and the messy webHacker20d
SignalStack · 5 yrs · 5 sources · self-running weekly · postgres backend