A comprehensive catalog of physics resources

The world’s biggest recommendation source for physics olympiad preparation and research materials. For suggestions and completeness, please contact alex@savchenkosolutions.com

Websites 365 Telegram channels 600
For working problems
Olympiad Problems and Competitions 100
ipho-new.org, ioc.ee/~kalda/ipho, ipho-unofficial.org, phyweb.physics.nus.edu.sg, ipho2026.com, ipho2025.fr, physicscup.ee, ijsoweb.org, olympiads.hbcse.tifr.res.in, iypt.org, hkpho.phys.ust.hk, ipho2012.ee, ptc.weizmann.ac.il, nbpho.ee, ipho2021.lt, ipho2013.dk, ipho2022.com, ipho.org, ipho2024.ir, ipho2015.in, eupho2022.si, ipho2016.org, bpho.org.uk, physoly.tech, wopho.org 75 more
Problem Sets and Solutions 52
isaacphysics.org, physicsblueprint.com, isaacscience.org, fizicaliceu.com, embibe.com, mirtitles.org, priklady.eu/en/physics, learncbse.in, concepts-of-physics.com, selfstudys.com/books/dc-pandey/english/11th…, problemsphysics.com, real-world-physics-problems.com, edurev.in/courses/21618_dc-pandey-neet-phys…, shaalaa.com, pw.live, physicspages.com, kevinshuang.com/projects/introduction-to-cl… 35 more
Physics Theory and Reference 23
phet.colorado.edu, open.umn.edu/opentextbooks, scholarpedia.org, amasci.com, physicsclassroom.com, michaelnielsen.org, lightandmatter.com, ncatlab.org, betterexplained.com, hypertextbook.com, cnx.org, explorabl.es, fourmilab.ch, numericana.com, jezzamon.com, physics.info, wolframscience.com, college-physics.com, phys.pro, all-fizika.com, etudes.ru, studopedia.ru, 11klasov.net
Lecture Notes and Online Courses 24
ocw.mit.edu, feynmanlectures.caltech.edu, davidmorin.physics.fas.harvard.edu, aapt.org, coursera.org, theoreticalminimum.com, phys.libretexts.org, edx.org, compadre.org, openstax.org, wolframcloud.com, reed.edu/physics/faculty/griffiths/ED4ISMa.…, nerd-notes.com/physics_resources, physics.ru, ph4s.ru, teach-in.ru, teorminimum.ru, uchi.ru, mexmat.ru, phys.uni-sofia.bg, interneturok.ru, stepik.org 2 more
Homework Help and Q&A 14
artofproblemsolving.com/community, physics.stackexchange.com, physicsforums.com, researchgate.net/publication/327740651, quizlet.com, konkur.in, askiitians.com, vedantu.com, fermatslibrary.com, znanija.com, dxdy.ru, yaklass.ru, forum.pelatihan-osn.com/arsip, yamol.tw
Exam preparation

School leaving and entrance exams. The problems are easier than olympiad ones, so they are kept apart.

Exams and University Entrance 21
kdam.technion.ac.il, savemyexams.com, physicsandmathstutor.com, ege-study.ru, phys-ege.sdamgia.ru, ege-ok.ru, alexlarin.net, maximumtest.ru, egetrener.ru, opengia.ru, neznaika.info, zno.osvita.ua 9 more
Adjacent

Science, but not problem-solving material — kept separate so it does not crowd the sections above.

University and Institution Portals 65
eupho.ee, sec.ntnu.edu.tw, ipssingapore.org, imo-official.org, eupho26.se, hkage.edu.hk, aip.org, math.ca, uwaterloo.ca, webelements.com, iop.org, aps.org 53 more
Mathematics Resources 47
mathworld.wolfram.com, khanacademy.org, geogebra.org, desmos.com, seeing-theory.brown.edu, web.evanchen.cc, mathwords.com, tricki.org, mathpages.com, encyclopediaofmath.org, planetmath.org, kconrad.math.uconn.edu/blurbs 35 more
Physics Research and Journals 19
projecteuclid.org, physicsworld.com, zenodo.org, msp.org, sciencemag.org, livingreviews.org, royalsocietypublishing.org, hindawi.com, ems-ph.org, ssrn.com, sdss.org, openproblemgarden.org 7 more
Download PDF The whole catalog in one file, 68 pages. Assembled from a crawl of 200,434 Telegram nodes and 1,299,403 web pages. How this was built. Snapshot 2026-08-02.