1
Also covers technology · same kind of website · free
The AoPS Alcumus system provides free online mathematics learning materials from Art of Problem Solving.
Alternatives
The Best The Borr Project Alternatives in 2026
24 alternatives1 free · 0 open source
Looking for something like The Borr Project? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan.
About The Borr Projectborr.dev/math
VisitThe Borr Project provides pre-college mathematics resources and learning materials.
Top picks at a glance
First suggestionAoPS AlcumusThe AoPS Alcumus system provides free online mathematics…Another optionStop the BleedStop the Bleed offers American College of Surgeons training…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | AoPS Alcumus | Free | Not stated | Web |
| 2 | Stop the Bleed | — | Not stated | Web |
| 3 | HSC Maths By Topic | — | Not stated | Web |
| 4 | OpenIntro | — | Not stated | Web |
| 5 | LibreTexts Engineering | — | Not stated | Web |
| 6 | PT-BR | — | Not stated | — |
| 7 | Terence Tao Research | — | Not stated | Web |
| 8 | Red Blob Games | — | Not stated | Web |
| 9 | IMS | — | Not stated | — |
| 10 | Photographic Periodic Table | — | Not stated | Web |
All The Borr Project alternatives
2
Stop the Bleed
stopthebleed.org/get-trainedAlso covers technology · same kind of website
Stop the Bleed offers American College of Surgeons training to help people learn to control bleeding.
3
HSC Maths By Topic
hscmathsbytopic.firsteducation.com.auAlso covers technology · same kind of website
HSC Maths By Topic organizes mathematics material by subject area for students preparing for HSC courses.
4
OpenIntro
openintro.orgAlso covers technology · same kind of website
OpenIntro creates educational materials designed to make learning more accessible.
5
LibreTexts Engineering
eng.libretexts.org/BookshelvesAlso covers technology · same kind of website
LibreTexts Engineering collects curated texts that can be used directly or remixed into customized learning materials.
6
PT-BR
github.com/ossu/math-brAlso covers technology
The Brazilian Math Curriculum offers a self-directed mathematics education using online materials in Brazilian Portuguese.
7
Terence Tao Research
terrytao.wordpress.comAlso covers technology · same kind of website
Terence Tao shares research updates, expository papers, open problem discussions, and other mathematics topics on this page.
8
Red Blob Games
redblobgames.comAlso covers technology · same kind of website
Red Blob Games publishes interactive tutorials and visual explanations of mathematics and algorithms.
9
IMS
github.com/OpenIntroStat/imsAlso covers technology
Introduction to Modern Statistics is an open college-level textbook covering multivariable relationships and simulation-based inference.
10
Photographic Periodic Table
periodictable.comAlso covers technology · same kind of website
The Photographic Periodic Table presents element information alongside photographs and reference material.
11
DataScientistJourney
datascientistjourney.wordpress.com/category/da…Also covers technology · same kind of website
The Open Source Data Science Masters site shares reflections and materials from a six-month data science study program.
12
SmartCockpit
smartcockpit.comAlso covers technology · same kind of website
The SmartCockpit site provides an online aviation library with quizzes, news, and reference material.
13
Material Properties
material-properties.orgAlso covers technology · same kind of website
Material Properties helps the public explore information about the properties of materials.
14
ProofWiki
proofwiki.orgAlso covers technology · same kind of website
ProofWiki collects mathematical proofs and reference material in an online wiki.
15
AerospaceWeb
aerospaceweb.orgAlso covers technology · same kind of website
AerospaceWeb publishes reference material on aviation, space, design and engineering.
16
JavaScript for Data Science
third-bit.com/js4dsAlso covers technology · same kind of website
JavaScript for Data Science presents educational material about data science topics.
17
Evan Chen
web.evanchen.ccAlso covers technology · same kind of website
Evan Chen's site shares course notes, olympiad materials, teaching resources, and a blog.
18
MSD Manuals
msdmanuals.comAlso covers technology · same kind of website
MSD Manuals provide medical reference material in multiple versions for different audiences.
19
Open Logic Project
openlogicproject.orgAlso covers technology · same kind of website
The Open Logic Project collects teaching materials and resources about logic.
20
LAMMPS
lammps.orgAlso covers technology · same kind of website
The LAMMPS software simulates classical molecular dynamics, with a focus on materials modeling.
21
HyperPhysics
hyperphysics.phy-astr.gsu.edu/hbaseAlso covers technology · same kind of website
HyperPhysics presents a concept reference with indexes for videos, demos, class materials, papers, and connections to chemistry, geophysics, and biology.
22
Macroinvertebrates
macroinvertebrates.orgAlso covers technology · same kind of website
PocketMacros offers macroinvertebrate identification resources, navigational views, and related reference materials.
23
NPTEL
nptel.ac.in/coursesAlso covers technology · same kind of website
NPTEL provides online course materials, including aerospace engineering instruction.
24
BOMwiki
bomwiki.comAlso covers technology · same kind of website
BOMwiki breaks down thousands of products into their component parts through a bill-of-materials encyclopedia.
No alternatives match this filter.
Alternatives to similar tools
DataScientistJourney24 alternativesTerence Tao Research24 alternativesAerospaceWeb24 alternativesOpen Logic Project24 alternativesLibreTexts Engineering24 alternativesIMS24 alternatives
What is the best alternative to The Borr Project?
Based on features, tags and platforms, the closest alternatives to The Borr Project are AoPS Alcumus, Stop the Bleed, and HSC Maths By Topic.
Is there a free alternative to The Borr Project?
Yes. AoPS Alcumus is 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