Looking to replace Docling? These open source alternatives give you the same core workflow without the lock-in - free to use, often self-hostable, and auditable on GitHub. Compare licenses, languages and project activity, then switch on your own terms.
PaddleOCR is an OCR toolkit and document AI engine for converting PDFs and images into structured data. It is aimed at extracting text, tables, formulas, charts, and layout from documents so the output can be used by LLM and RAG workflows.
Tesseract is an open source OCR engine with a command line program for turning images into text. It supports Unicode, more than 100 languages out of the box, and a traineddata-based workflow for adding language models. It also includes libtesseract for embedding OCR in other applications.
MinerU turns complex documents into structured Markdown or JSON for LLM, RAG, and agent workflows. It handles PDF, DOCX, PPTX, XLSX, images, and web pages, with support for scanned documents, handwriting, multi-column layouts, and cross-page table merging.
Surya is a 650M parameter OCR model for document intelligence. It turns document images into text and structured page data, including detected text, bounding boxes, and page-level OCR results.
docTR is an optical character recognition library for parsing textual information from documents. It handles the core OCR workflow of locating words and identifying the characters in each word, with pretrained models for document analysis.
Teedy is an open source document management system for individuals and businesses. It is built to store, organize, search, and share documents in one place, with support for common office files and video files.
