SignalStack
Where the money flows · what the market says
backend · postgres   ·   11.001 listings
Time
Sources
Active dictionary
Language
Hard term filter — click any term in panels to add
D1Excel×D1Lexoffice×D1Power BI×D1Postgres×
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80 of 11.001 listings match. Time = 5y, src = 14/14, lang = all, dict = D1, terms = 4(ANY). last watermark · 2026-05-07
Demand index · last 4 wk vs window mean
4225%
above baseline
Reg. pressure (D5 mentions)
9
across all listings in window
Top mover · D1
Excel
∞ (z=99.0)
Recurring clusters
1
near-duplicate templates

01All 20 terms · Tools

11/20 have ≥1 citation · sparkline = trend · click row to filter · zero-count terms shown at bottom

02Term trend · top 5

anomalies marked · z > 2.5

061218242021-052022-082023-112025-022026-05
ExcelPostgresPower BILexofficeDATEV

03Top movers · current half vs prev half

largest |Δ%| · z-score (Poisson)

TermNowPrevΔ %z
Excel42099.0
Power BI9099.0
SAP100.0
Postgres24099.0
DATEV300.0
Jira200.0
Confluence100.0
HubSpot200.0
sevdesk200.0
Lexoffice9099.0
Lexware200.0

04Co-occurrence · top 20 pairs

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

Term ATerm BCountLift
Excelreporten81.52×
PostgresAPI81.90×
Postgresintegrieren61.82×
ExcelPflege41.90×
Excelintegrieren40.69×
Postgrespipeline42.22×
pipelineAPI43.81×
ExcelPower BI30.63×
Power BIanalysieren36.67×
integrierenAPI31.56×
integrierenreporten32.18×
PostgresDSGVO33.33×
LexofficeAPI31.90×
Excelautomatisieren20.76×
Excelanalysieren20.95×
Power BIautomatisieren23.56×
analysierenautomatisieren28.00×
DATEVPostgres22.22×
JiraPower BI28.89×
Power BIreporten21.78×

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