asposecpp 

Easily convert images to text and create searchable PDFs with our powerful and developer-friendly OCR API. Integrate OCR functionality into your Linux applications and services with minimal code. Extract... More information

Free, open-source C++20 library for working with PDF documents: open, edit and save PDFs, extract text, render pages to PNG/JPEG/BMP/TIFF, create documents with text, tables, vector graphics, annotations and... More information