1
PhET
phet.colorado.eduAlso covers course · same kind of website
PhET provides free simulations for physics, chemistry, biology, earth science and mathematics.
Alternatives
The Best Portal Generator Alternatives in 2026
24 alternatives4 free · 0 open source
Looking for something like Portal Generator? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 4 are free or have a free plan.
About Portal Generatorflavourmachine.com/portal-generator
VisitFlavourmachine's Earth Magic Portal Generator is an interactive browser experience controlled with hand or mouse movement.
Top picks at a glance
First suggestionPhETPhET provides free simulations for physics, chemistry…Free or freemium optionOpenHPIopenHPI offers free interactive online courses in computer…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | PhET | — | Not stated | Web |
| 2 | OpenHPI | Free | Not stated | Web |
| 3 | Explorabl.es | — | Not stated | Web |
| 4 | Spitfire Panorama | — | Not stated | Web |
| 5 | MinuteLabs | — | Not stated | Web |
| 6 | Documentary Network | — | Not stated | Web |
| 7 | Memory Toys | — | Not stated | Web |
| 8 | BrainScale | Freemium | Not stated | Web |
| 9 | Academo | Free | Not stated | Web |
| 10 | HalcyonMaps | — | Not stated | Android, Web |
All Portal Generator alternatives
2
Also covers course · same kind of website · free
openHPI offers free interactive online courses in computer science, IT and digital innovation.
3
Explorabl.es
explorabl.esAlso covers course · same kind of website
Explorable Explanations explores topics through interactive explanations and learning activities.
4
Spitfire Panorama
haraldjoergens.com/panoramas/spitfire-td314/fi…Also covers course · same kind of website
The Spitfire Panorama offers an interactive view of the Supermarine Spitfire Mark IX cockpit.
5
MinuteLabs
minutelabs.ioAlso covers course · same kind of website
MinuteLabs publishes interactive science apps and explanations for visitors to explore.
6
Also covers course · same kind of website
Documentary Network curates documentary videos and links to full-length films.
7
Memory Toys
memory.toysAlso covers course · same kind of website
Memory Toys offers browser memory games, including matching cards and challenges for speed and accuracy.
8
Also covers course · same kind of website · free plan
BrainScale offers Dual N-Back, logic games and other browser exercises for memory and reasoning practice.
9
Also covers course · same kind of website · free
Academo collects browser-based educational demonstrations and tools across subjects including engineering, math and music.
10
HalcyonMaps
halcyonmaps.com/infographicsAlso covers course · same kind of website
Halcyon Maps publishes infographics, including an explanation of gravitational waves.
11
YT Video Essay Hall of Fame
docs.google.com/spreadsheets/d/1pMlfjJ4gb0vMt2…Also covers course · same kind of website
This Google Sheet is titled Video Essay Hall of Fame and collects entries about video essays.
12
DocumentaryArea
documentaryarea.comAlso covers course · same kind of website
DocumentaryArea tracks previously watched documentaries and lists documentary titles.
13
PBS
pbs.org/videoAlso covers course · same kind of website
PBS offers full episodes, news analysis, and documentaries covering subjects such as history, science, and art.
14
coolguid.es
coolguid.esAlso covers course · same kind of website
coolguid.es collects visual guides from the r/coolguides subreddit across a range of topics.
15
Read Scott Alexander
readscottalexander.comAlso covers course · same kind of website
Read Scott Alexander archives writing from Slate Star Codex, Astral Codex Ten and other blogs in a searchable, organized collection.
16
Information is Beautiful
informationisbeautiful.netAlso covers course · same kind of website
Information is Beautiful turns data, information and knowledge into infographics and visualizations.
17
National Palace Museum
tech2.npm.edu.tw/720vr/enHome.htmlAlso covers course · same kind of website
The National Palace Museum's 720-degree VR tour lets visitors explore permanent exhibitions and selected artifacts.
18
Dual N-Back
nbacking.comAlso covers course · same kind of website
NBacking offers an online Dual N-Back working-memory game with spatial, auditory, color and image modes.
19
Also covers course · same kind of website · free
GeoNames provides a geographical database with more than 11 million place names from all countries, available for free download.
20
LitCharts
litcharts.comAlso covers course · same kind of website
LitCharts provides literature guides, poetry guides, Shakespeare translations, mind maps and reading tools.
21
The Borr Project
borr.devAlso covers course · same kind of website
The Borr Project provides free resources to help learners study college curricula.
22
Virtual Vist Tours
virtualvisittours.comAlso covers course · same kind of website
Virtual Visit Tours lets visitors explore locations across Ireland through 360-degree virtual tours.
23
LinkedIn Talent Solutions Learning Center
training.talent.linkedin.comAlso covers course · same kind of website
LinkedIn Talent Solutions Learning Center lists learning paths, courses, and lessons for recruiters.
24
Walk with Feel
walkwithfeel.vercel.appAlso covers course · same kind of website
Walk with Feel plays local radio stations while users drive through cities around the world.
No alternatives match this filter.
Alternatives to similar tools
Documentary Network24 alternativesHalcyonMaps24 alternativesDocumentaryArea24 alternativesYT Video Essay Hall of Fame24 alternativesMemory Toys24 alternativesPBS24 alternatives
What is the best alternative to Portal Generator?
Based on features, tags and platforms, the closest alternatives to Portal Generator are PhET, OpenHPI, and Explorabl.es.
Is there a free alternative to Portal Generator?
Yes. OpenHPI, BrainScale, and Academo are free or offer a free plan.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative