GImageReader - gImageReader is a simple Gtk/Qt front-end to the Tesseract OCR Engine.
Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.
Google Lens - Discover information about something by taking a photo
Clever - syncing between education applications for K-12 schools
OpenScan - FOSS Document Scanner
Claroline - Claroline is a collaborative eLearning and eWorking platform.