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LedgerLens: Open-Source, Privacy-First AI Expense Auditor Built for Freelancers

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A developer has released LedgerLens, an open-source expense auditing tool aimed at freelancers and solo business owners. The software automatically categorizes invoices and receipts, flags duplicate charges and calculation errors, and identifies potential tax compliance issues. It is built with FastAPI and runs Gemma 2 through Ollama, allowing local processing so sensitive client financial data need not go to third-party cloud services. The creator positions it as a low-cost alternative to subscription accounting platforms that charge $35 to $70 per month. The project is deployed using a Render Blueprint and is available on GitHub.

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