Histats
StatCounter
AFSAnalytics
Woopra
Matomo
Google Analytics
Mouseflow
Clicky
SimPhy
Physion
Algodoo
Akinator
Crayon Physics Deluxe
Minecraft
myPhysicsLab
PhET Interactive Simulations
You can create different types of bodies inside its physics world with different parameters like restitution, friction, velocity etc. attach them with different types of Joints like spring, rope, chain, pulley etc. Due to its native Physics engine the accuracy in solving is great.
One can visualize the motion with the numerous built in tools like tracers of points on body or Body ghosting, Graphs between different parameters( like KE, speed, velocity, momentum, etc), FBD of grouped and ungrouped objects, Camera tool ( to set frame of reference) etc.
It supports gravitational , electric, magnetic and buoyancy fields. One can even set variable fields ( time dependent ) and can easily change the fields as well using sliders.
One can create their own GUI elements in it like buttons , sliders , checkboxes , List , dialog etc. and even can write scriptable codes in them for different events in its in-built powerful scripting editing tool.
Histats SimPhySmall to medium-sized websites, bloggers, individual site owners, and those seeking a free tool to gain basic insights into their web traffic and visitor behavior without the need for complex analytics capabilities.
Nice interface and you can even add extra fields and script on buttons and sliders as well.
StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
Physion - Browser-based 2D physics sandbox for teaching and tinkering
AFSAnalytics - AFSAnalytics.
Algodoo - Algodoo is a 2D simulator freeware product designed as a physics learning tool. It was originally created by Emil Emerfeldt as part of his masterโs thesis in 2008. Read more about Algodoo.
Woopra - Track your customers' web and mobile activity, forms, emails, support tickets and more, all in one place with customer analytics. Analyze and take action.
Akinator - Akinator is an entertainment app that acts like a digital genie that can read your mind. The game will ask you a few questions about the character you have chosen, and it will attempt to guess the character from your provided answers.