Mac users interested in Pdf ocr community edition generally download:
A drag-and-drop tool that converts single-page PDFs and images into text or searchable PDF files. Provides advanced OCR (optical character recognition) technology to extract the text of the PDF if it contains only an image of text, e.g. PDFs produced through a Scan-to-PDF feature in a scanner or photocopier. Supports single-page PDFs and Images and over 20 languages.