SignalStack
Where the money flows · what the market says
backend · postgres   ·   21.217 listings
Time
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Hard term filter — click any term in panels to add
D1sevdesk×D1Postgres×D1Postgres×D1Postgres×
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64 of 21.217 listings match. Time = 5y, src = 10/10, lang = all, dict = D1, terms = 4(ANY). last watermark · 2026-05-07
Demand index · last 4 wk vs window mean
3047%
above baseline
Reg. pressure (D5 mentions)
3
across all listings in window
Top mover · D1
Postgres
∞ (z=99.0)
Recurring clusters
3
near-duplicate templates

01All 20 terms · Tools

8/20 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
sevdeskPostgresDATEVExcelLexoffice

03Top movers · current half vs prev half

largest |Δ%| · z-score (Poisson)

TermNowPrevΔ %z
Postgres25099.0
DATEV4099.0
sevdesk39099.0
Lexoffice200.0
Excel200.0
Jira100.0
Lexware100.0
HubSpot100.0

04Co-occurrence · top 20 pairs

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

Term ATerm BCountLift
sevdeskAPI141.21×
PostgresAPI50.67×
Postgresintegrieren42.05×
Postgrespipeline42.56×
pipelineAPI43.37×
DATEVexportieren38.00×
sevdeskexportieren30.82×
Postgresexportieren31.28×
PostgresDSGVO32.56×
DATEVsevdesk20.82×
DATEVPostgres21.28×
Lexofficesevdesk21.64×
sevdeskautomate21.64×
ExcelPostgres22.56×
Postgresautomatisieren22.56×
automatisierenintegrieren212.80×
DATEVintegrieren13.20×
Lexofficeautomate116.00×
ExcelJira132.00×
JiraPostgres12.56×

05Recurring clusters · near-duplicate listings

indicates productizable workflows · click row for records

ExemplarSourcesMembersMedian gap
vadimrost/quickenergy — AI-powered invoice processing dashboard for QuickEnergy – OCR, duplicate detection, Skonto alerts, sevDesk & DATEV export.GitHub20d
j-mastr/sevdesk-php-sdk — An unofficial SDK for the official sevDesk APIGitHub249d
Show HN: I extract recipes from TikTok, Instagram, and the messy webHacker20d
SignalStack · 5 yrs · 5 sources · self-running weekly · postgres backend