TinEye - Reverse Image Search to help find an image's source, duplicates or altered versions.

Gridzzly - Print your own grid paper

GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.

InCompetech Graph Paper - InCompetech is an online website that provides printable graph papers with over 30 designs organized into 6 categories, including Writing and Bullet Journaling, Plain Grids, Patterns, Recording, and Charting, Classic Writing, and Specialty and allow…

Microsoft Lens - Microsoft Lens (formerly known as Office Lens) is an all-in-one application designed for Windows, Android, and Apple devices, allowing you to capture important information from signs, PDFs, whiteboards, and more to add.

Stemsheets Graph Paper - Stemsheets offers a Graph Paper template that enables you to create more than 600 combinations of colors, spacing, line widths, and more and print the paper from a mobile device or desktop computer.