
Fast.com
Speedtest.net
SpeedOf.Me
Testmy.net
nPerf
Speed Test by Cloudflare
speedtest-cli
Self-hosted Speedtest for HTML5. Easy setup, examples, configurable, mobile friendly.

Motion Magic Physics Simulator
FacetLab by 4Cs.co.za
Vectora.one
myPhysicsLab
SimPhy
Physion
BrainBuff.app
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.
Which is more popular?
LibreSpeed might be a bit more popular than PhET Interactive Simulations. We know about 34 links to it since March 2021 and only 27 links to PhET Interactive Simulations.
Website, pricing, platforms and company facts side by side.
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| Website | github.com | phet.colorado.edu |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Self-host your own internet speed test with LibreSpeed!
More videos
Dr. Michael Dubson: PhET Interactive Simulations
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using LibreSpeed and PhET Interactive Simulations. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


I run internetspeedtest.net, a free, no-signup speed test built on the open-source LibreSpeed engine. - Source: dev.to / 20 days ago
Try hosting a DIY speed test on a cloud server (like Google colab or the free oracle instances or whatever): https://github.com/librespeed/speedtest. - Source: Hacker News / about 3 years ago
It should be DIA. They provide the internet connection to the company since 2 decades and it's a very small ISP, so it's very vague in terms of contract. Iperf was giving me very terrible results with TCP, UDP was giving me a couple of... Source: over 3 years ago
Use the simulations from here: https://phet.colorado.edu/ to make correlations of Physics with real life concepts. After you run through each simulation, make notes on your ipad/laptop/or on a piece of paper with a diagram and... Source: about 3 years ago
Google Classroom. Phet https://phet.colorado.edu Creating lesson plans or handouts to go with simulations. Tinkercad for 3D modeling. Source: about 3 years ago
I’m no chem teacher but I have used phet in junior science. Might be worth a shout. Source: over 3 years ago
When comparing LibreSpeed and PhET Interactive Simulations, you can also consider the following products.

Quickly test your internet speed with this fast-loading speed test powered by Netflix.
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Motion Magic is a physics simulator built to help students visualize and solve classical mechanics problems through interactive simulations and analysis.
Compare Motion Magic Physics Simulator to LibreSpeed or PhET Interactive Simulations:

Test your Internet connection bandwidth to locations around the world with this interactive broadband speed test from Ookla
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Polish a rough diamond in your browser and learn the 4Cs by playing.
Compare FacetLab by 4Cs.co.za to LibreSpeed or PhET Interactive Simulations:

SpeedOf.Me is an HTML5 Internet speed test. No Flash or Java needed!
Compare SpeedOf.Me to LibreSpeed or PhET Interactive Simulations:

Interactive STEM learning platform with hands-on simulations. Explore Physics, Chemistry, Math & Biology through 3D visualizations and real-time parameter manipulation — not passive video watching.
Compare Vectora.one to LibreSpeed or PhET Interactive Simulations: