Open source licences

The Accounting Tools is built on the work below. Each is used under its own licence, reproduced at the linked source.

@cantoo/pdf-libMIT

Password protect, unlock, and decrypt

PaddleOCR (PP-OCR models)Apache-2.0

Receipt text recognition (primary engine)

ppu-paddle-ocrMIT

Browser SDK for the PP-OCR models

ONNX Runtime WebMIT

Runs the PP-OCR models in the browser

Tesseract.jsApache-2.0

OCR fallback, and the OCR PDF tool

Tesseract trained data (tessdata_best, via @tesseract.js-data)Apache-2.0

Language data for Tesseract, served from this site

pdf-libMIT

Merge, split, rotate, watermark, page numbers, forms

PDF.js (pdfjs-dist)Apache-2.0

Text extraction, page rendering, compress, grayscale, pdf-to-image, previews

SheetJS (xlsx)Apache-2.0

Tables to Excel, statement to CSV

ComlinkApache-2.0

Web Worker messaging

Next.jsMIT

Application framework

ReactMIT

User interface

next-intlMIT

Translations and locale routing

InterSIL Open Font License 1.1

Typeface

LucideISC

Icons

ClerkMIT

Authentication

StripeMIT

Payments

ZustandMIT

State management

zodMIT

Validating parsed output

fflateMIT

Zipping multi-file output

dnd kitMIT

Drag to reorder pages

react-dropzoneMIT

File dropzones

mysql2MIT

Subscription database access