ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Gradelink - Gradelink is a one-stop-shop system for K-12 schools. You can see grades, attendance, tuition, admissions and communication in one place.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
QuickSchools - Fully online school management system. FREE 30-day trial. Sign up in 60 seconds. Track attendance, homework, gradebook, report cards, scheduler, parent portal and more!
LightShot - The fastest way to take a customizable screenshot.
Administrator's Plus - Cloud based student information management software