NAPS2 is a document scanning application with a focus on simplicity and ease of use. Scan your documents from WIA, TWAIN, SANE, and ESCL scanners, organize the pages as you like, and save them as PDF, TIFF, JPEG, or PNG. Optical character recognition (OCR) is available using Tesseract.
Download:https://www.naps2.com/download
Source code:https://github.com/cyanfish/naps2