
Fast.com
LibreSpeed
SpeedOf.Me
Speedtest.net
nPerf
Testmy.net
Meteor
Test your download speed using SpeedTest on the command-line

SimPhy
Physion
PhET Interactive Simulations
ChatGPT
myPhysicsLab
Algodoo
Motion Magic is a physics simulator built to help students visualize and solve classical mechanics problems through interactive simulations and analysis.

Which is more popular?
Based on our record, speedtest-cli seems to be more popular. It has been mentioned 13 times since March 2021.
Website, pricing, platforms and company facts side by side.
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What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
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Walkthroughs and reviews on video.
Testing Internet Bandwidth From The Terminal Using Speedtest-cli
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As answered by people managing speedtest-cli and Motion Magic Physics Simulator.
Motion Magic Physics Simulator's answer:
College physics students, Community college classes, and just Independent learners!
Motion Magic Physics Simulator's answer:
Motion Magic lets you build and explore physics problems the way you think about them. You place objects, push or pull them, change numbers, and see exactly how everything moves immediately.
Motion Magic Physics Simulator's answer:
Most tools only show preset demos. Motion Magic lets you experiment, make mistakes, adjust ideas, and actually understand what the motion is doing instead of guessing from a diagram.
Motion Magic Physics Simulator's answer:
Students taking their first introductory physics class who need something clearer than a textbook and more hands-on than a calculator.
Motion Magic Physics Simulator's answer:
Motion Magic started from one problem: students get stuck trying to connect formulas to real motion. It was built to give them a space where they can try things out, see the results, and finally make sense of what’s happening.
Share your experience with using speedtest-cli and Motion Magic Physics Simulator. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Or, you can follow the installation instructions on the official GitHub repository: SpeedTest-CLI Installation Guide. - Source: dev.to / over 2 years ago
That's a community cli client https://github.com/sivel/speedtest-cli rather than the official cli client https://www.speedtest.net/apps/cli. Source: about 3 years ago
If you read the docs for Speedtest-CLI you will see that the program timeouts after 10 seconds. Try using this for default timeout of 1 minute and also redirect errors to the same file. Speedtest-cli --timeout 60 >>... Source: almost 4 years ago
Tracking Motion Magic Physics Simulator since Dec 2025.
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Browser-based 2D physics sandbox for teaching and tinkering
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SpeedOf.Me is an HTML5 Internet speed test. No Flash or Java needed!
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Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations.
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