Screention

Screention captures any part of your screen with Ctrl+Alt+A or from its tray
menu. Mark screenshots up with arrows, shapes, text, numbered steps,
highlights, blur and redaction boxes, add a styled background, copy the text
with on-device OCR, read QR codes and barcodes, then copy, save or upload
them for a share link. A gallery keeps saved screenshots with notes and
search.

This snap repackages the official Linux release; the source code is not
public. Screention sends anonymous usage counts by default, which you can
turn off in Settings > Privacy. Updates arrive through the Snap Store.