Grading/marking client for the Plom online grading system Plom is a system for large-scale marking by humans. It prepares QR-coded test papers, collates scanned work, and coordinates a team of graders. This is the graphical interface used for grading tests. Additional information: Developer: Andrew Rechnitzer, Colin B. Macdonald, and others License: AGPL-3.0+ Version: 0.20.2