Northline Sheets

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Offline Excel job-costing workbooks and a stdlib Python CSV QA CLI for contractors. US$19 CSV QA and Payout Net calculators with USDT checkout — no SaaS login required.

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Northline Sheets

Northline Sheets helps contractors and small teams check job margins and CSV exports offline. Products include Excel job-cost packs, Payout Net take-home calculators, and a CSV QA CLI with HTML reports. Buy once via USDT; no account wall on the tools themselves.

Updated September 11, 2026

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