myphysicslab is a project site from Erik Neumann, full of physics experiments you can try directly online or (better, faster) offline, simply downloading all the things in a single zip file. Forces, vectors, springs, object collisions, and much more! you can easily control parameters and graph things, change colors, number of objects, gravity and so. Here ..
Tinkercad is a free, online 3D design and 3D printing app for everyone. the site provide (after registration) access to a basic set of tools for design, model, import and export 3D models for various uses; mainly focused in 3D printing, can be used also for produce AR/VR objects, and or import «plain» SVG files ..
Heron Animation is a free stop motion animation program that lets you take pictures from a webcam and assembles them into an animation. Is simple to use and has a clean and user-friendly interface, which make it perfect for beginners and more experienced animators alike. It features: Instant playback, Onion Skinning, compatibility with a wide range of webcams, ..
GmapGIS is an online tool for easy draw on Google Maps. You can use it to draw lines, rectangles, circles or hand-free lines on Google Maps. You can also choose Map Type, add more layers, measure distances, and import / export KML, GeoJSON and CSV Files. Easy to use and useful when you need to ..