Open source. Open possibilities.

Tesseract is an open-source OCR engine that provides a command-line tool and a library for recognizing text in images across more than 100 languages.

PageLedger is a Python CLI library for auditable, page-level OCR and document extraction. It records provenance, quality signals, and budgets for each extracted page, supports resumable runs, review queues, and reruns with human-in-the-loop verification.

Tesseract.js is a JavaScript OCR library that extracts text from images in over 100 languages. It runs in browsers via WebAssembly and on Node.js, wrapping the Tesseract engine without modifying its recognition model.