General Science Resources
- Khan
Academy - khanacademy.org
- Coursera
- coursera.org
- edX
- edx.org
- National
Geographic - nationalgeographic.com
- BBC
Science - bbc.co.uk/science
Physics
- HyperPhysics
- hyperphysics.phy-astr.gsu.edu
- Physics
Classroom - physicsclassroom.com
- MIT
OpenCourseWare (Physics) - ocw.mit.edu
- PhET
Interactive Simulations - phet.colorado.edu
Chemistry
- Royal
Society of Chemistry - rsc.org
- ChemCollective
- chemcollective.org
- Chemistry
LibreTexts - chem.libretexts.org
- American
Chemical Society - acs.org
Biology
- BioMan
Biology - biomanbio.com
- HHMI
Biointeractive - biointeractive.org
- OpenStax
Biology - openstax.org
- Learn
Genetics - learn.genetics.utah.edu
Mathematics
- Wolfram
Alpha - wolframalpha.com
- Paul's
Online Math Notes - tutorial.math.lamar.edu
- Desmos
- desmos.com
- Brilliant
- brilliant.org
Environmental Science
- NASA
Earth Observatory - earthobservatory.nasa.gov
- EPA
(Environmental Protection Agency) - epa.gov
- National
Oceanic and Atmospheric Administration (NOAA)
- noaa.gov
- World
Wildlife Fund (WWF) - worldwildlife.org
Educational Tools and Practice
- Quizlet
- quizlet.com
- Kahoot!
- kahoot.com
- Socrative
- socrative.com
- StudyBlue
- studyblue.com
- Chegg
Study - chegg.com
Research and Journals
- Google
Scholar - scholar.google.com
- PubMed
- pubmed.ncbi.nlm.nih.gov
- JSTOR
- jstor.org
- ScienceDirect
- sciencedirect.com
- ResearchGate
- researchgate.net
Science News and Current Events
- Science
News - sciencenews.org
- Nature
- nature.com
- Scientific
American - scientificamerican.com
- Live
Science - livescience.com
- Smithsonian
Science - smithsonianmag.com/science
Interactive Learning and Visual Aids
- YouTube
(CrashCourse) - youtube.com/user/crashcourse
- TED-Ed
- ed.ted.com
- Visuwords
- visuwords.com
- Infoplease
- infoplease.com
- HowStuffWorks
- howstuffworks.com
General Computer Science Resources
- Codecademy
- codecademy.com
- W3Schools
- w3schools.com
Programming Languages
- Python.org
- python.org
- Java
Tutorials by Oracle - docs.oracle.com/javase/tutorial
- C++
Reference - cplusplus.com
- JavaScript.info
- javascript.info
- Learn
C - learn-c.org
Algorithms and Data Structures
- GeeksforGeeks
- geeksforgeeks.org
- HackerRank
- hackerrank.com
- LeetCode
- leetcode.com
- TopCoder
- topcoder.com
- VisuAlgo
- visualgo.net
Computer Science Theory
- CS50
by Harvard - cs50.harvard.edu
- Stanford
Online - Algorithms - online.stanford.edu/courses/soe-ycsalgorithms
- MIT
OpenCourseWare (Computer Science) -
ocw.mit.edu/courses/electrical-engineering-and-computer-science
- Computer
Science Unplugged - csunplugged.org
Web Development
- MDN
Web Docs - developer.mozilla.org
- CSS-Tricks
- css-tricks.com
- FreeCodeCamp
- freecodecamp.org
- HTML
Dog - htmldog.com
- Frontend
Mentor - frontendmentor.io
Software Development
- GitHub
- github.com
- GitLab
- gitlab.com
- Bitbucket
- bitbucket.org
- Stack
Overflow - stackoverflow.com
- Atlassian
- atlassian.com
Cybersecurity
- Cybrary
- cybrary.it
- Kali
Linux - kali.org
- OWASP
- owasp.org
- HackerOne
- hackerone.com
- Cyber
Aces - cyberaces.org
Data Science and Machine Learning
- Kaggle
- kaggle.com
- TensorFlow
- tensorflow.org
- Scikit-learn
- scikit-learn.org
- DataCamp
- datacamp.com
- Towards
Data Science - towardsdatascience.com
Online Coding Practice and Competitions
- Codewars
- codewars.com
- CodeSignal
- codesignal.com
- Coderbyte
- coderbyte.com
- Interview
Cake - interviewcake.com
- Exercism
- exercism.io
Educational Tools and Communities
- Edabit
- edabit.com
- Scratch
- scratch.mit.edu
- Code.org
- code.org
- Dev.to
- dev.to
- Reddit
(r/learnprogramming) - reddit.com/r/learnprogramming
General Educational Resources
- CBSE
Official Website - cbse.gov.in
- NCERT
- ncert.nic.in
- BYJU'S
- byjus.com
- Vedantu
- vedantu.com
Mathematics
- Mathway
- mathway.com
- Brilliant
- brilliant.org
- Maths
Genie - mathsgenie.co.uk
- IXL
Math - ixl.com/math
Science
- National
Geographic Education -
nationalgeographic.org/education
- Science
Buddies - sciencebuddies.org
- PhET
Interactive Simulations - phet.colorado.edu
- HowStuffWorks
- howstuffworks.com
Social Science
- History.com
- history.com
- National
Archives of India - nationalarchives.nic.in
- Encyclopedia
Britannica - britannica.com
- American
History - americanhistory.si.edu
English Language and Literature
- Grammarly
- grammarly.com
- ReadTheory
- readtheory.org
- Shmoop
- shmoop.com
- Literary
Devices - literarydevices.com
- Poetry
Foundation - poetryfoundation.org
Computer Science
- Codecademy
- codecademy.com
- Scratch
- scratch.mit.edu
- Code.org
- code.org
- GeeksforGeeks
- geeksforgeeks.org
- W3Schools
- w3schools.com
Practice and Revision
- Quizlet
- quizlet.com
- Socratic
- socratic.org
- Toppr
- toppr.com
- Clever.com
- clever.com
- CBSE
Guide - cbseguide.com
Online Learning Platforms
- Unacademy
- unacademy.com
- Class
10 & 12 Study - study.com
- LearnoHub
- learnohub.com
Exam Preparation
- Mock
Test Series - mocktestseries.com
- ExamFear
- examfear.com
- Career
Launcher - careerlauncher.com
- SuccessCDs
- successcds.net
- StudyPlan
- studyplan.in
Additional Resources
- YouTube
(CrashCourse) - youtube.com/user/crashcourse
- TED-Ed
- ed.ted.com
- Infoplease
- infoplease.com
- Wolfram
Alpha - wolframalpha.com
- National
Digital Library of India - ndl.iitkgp.ac.in
