ABBYY FineReader PDF is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Tesseract, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to ABBYY FineReader PDF and 14 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to ABBYY FineReader PDF are GImageReader (Free, Open Source), Paperwork (Free, Open Source), OCRmyPDF (Free, Open Source) and CopyFish (Free, Open Source).
GOCR is an OCR (Optical Character Recognition) program, developed under the GNU Public License. It converts scanned images of text back to text files. Joerg Schulenburg started the program, and now leads a team of developers.