1、zoomit:

A projection demonstration assistant software. ZoomIt's three functions can be easily called by shortcut keys: screen enlargement, screen annotation and regular reminder. Hold down the left ctrl key and use the mouse wheel or up and down arrow keys to adjust the width of the brush. The annotation function is mainly used to highlight a certain part of the screen, such as a certain detail of a picture and a certain key paragraph of an article.

2, desktop chalk:

Desktop chalk is a professional screen brush tool. With this software, you can draw and write directly on the screen, support the function of inserting words and images into graffiti, and record graffiti pictures in designated folders. Suitable for teaching, video recording of speeches, etc. , and provides a detailed tutorial.

3、ePointer:

A free computer blackboard software can temporarily replace the blackboard screen for operation, and can realize graffiti or teaching. The computer screen can be used as a temporary blackboard, suitable for education and teaching, product display and children's graffiti, and can draw straight lines, dashed lines, arrows, rectangles, rounded rectangles, squares, circles, ellipses and characters.

4、Pointofix:

Pointofix is like using an electronic whiteboard. You can write freely and draw the key points on the screen. The software provides five brush colors and four stroke sizes, and can draw lines, boxes, round boxes, square and round color blocks, and input characters freely. With the eraser function, students' answers to the exam can be covered with color blocks first, and then erased with an eraser after the answers are published.

5. Whiteboard:

Use whiteboard to give full play to users' inspiration. Turn your work into professional-looking charts and shapes on an infinite canvas through an interface specially designed for stylus, touch and keyboard. Whiteboards will be safely stored in the cloud until they are returned from the same device or another device for editing. There is no need to take a picture of the whiteboard or mark it "Do not erase".