What I Built I built LedgerLens, an open-source, privacy-first AI expense auditor for freelancers. It automatically categorizes invoices and receipts, detects duplicate charges and calculation errors, flags potential tax compliance issues, estimates tax savings, and generates financial reports. Built with FastAPI, Gemma 2, and Ollama, it supports local processing to help protect sensitive financial data. Demo ledgerlens-ph9u.onrender.com ...