Extract text from any image, video, QR Code and etc.
Intuitive text extraction tool (OCR) for GNOME.
Quickly extract text from almost any source: youtube, screencasts, PDFs, webpages, photos, etc. Grab the image and get the text.
The Frog could help you to deal with QR codes helping you to get them decoded!
frog.1.3.in.action.webm
I'm the guy who loves GUI tools instead of command-line thus I recommend using Builder to develop applications. To build the frog application just open project folder in Builder and press "Execute" (F5). It will download requirements and build the app.
If you want to provide localization for your language you may use weblate project or Poedit to create translations. Source files listed in po/POTFILES.
from https://github.com/TenderOwl/Frog