GeeksforGeeks

GeeksforGeeks

GeeksforGeeks is a computer science portal with a huge variety of well-written and explained computer science and programming articles, quizzes and interview questions. It covers topics like data structures, algorithms, operating systems, languages like C++ and Java, and more.
GeeksforGeeks image
computer-science data-structures algorithms c java

GeeksforGeeks: Computer Science Portal & Programming Resources

GeeksforGeeks is a computer science portal with a huge variety of well-written and explained computer science and programming articles, quizzes and interview questions. It covers topics like data structures, algorithms, operating systems, languages like C++ and Java, and more.

What is GeeksforGeeks?

GeeksforGeeks is an educational computer science website that provides a large collection of materials on various computer science topics including algorithms, data structures, operating systems, databases, programming languages like C++ and Java, and interview preparation.

It was founded by Sandeep Jain and Dheeru Rao in 2009 as a site for computer science students and enthusiasts. Over the years, it has evolved into a popular resource for understanding key computer science concepts and for practicing coding problems related to algorithms and data structures.

Some key highlights of GeeksforGeeks:

  • Extensive coverage of fundamental computer science topics like array, linked list, stack, queue, trees, graphs etc. with neatly explained articles and crisp examples.
  • A massive repository of coding interview questions from top companies along with solutions for practice.
  • Topic-wise practice problems on data structures, algorithms, SQL, system design etc. with solutions.
  • Well-organized reference materials like GATE CS notes and subject syllabus to aid with exam preparation.
  • A budding GeeksforGeeks community to interact with mentors and clarify doubts.
  • Easy language, structured content layouts and syntax highlighting that makes learning complex concepts really simple.

With rich and frequently updated content that is free for everyone, GeeksforGeeks continues to be one of the most popular computer science learning platforms for students as well as working IT professionals looking to excel in their understanding of key CS concepts required for becoming successful developers and programmers.

GeeksforGeeks Features

Features

  1. Articles on computer science topics
  2. Coding practice questions and solutions
  3. Subject-wise courses
  4. Interview preparation material
  5. Quizzes and puzzles

Pricing

  • Free
  • Open Source

Pros

Completely free to access all content

Well-written and explained articles and solutions

Active community and discussion forums

Frequently updated with new content

Covers wide range of CS topics

Cons

Limited interactive coding environment

Mobile app lacks some features

Some outdated content

Heavy focus on competitive programming


The Best GeeksforGeeks Alternatives

Top Education & Reference and Programming & Development and other similar apps like GeeksforGeeks


FreeCodeCamp icon

FreeCodeCamp

freeCodeCamp is a non-profit organization that consists of an interactive learning web platform, online community forums, chat rooms, online publications and local organizations that intend to make learning web development accessible to anyone.The freeCodeCamp curriculum has thousands of hours of coding lessons that help you learn software development through hands-on...
FreeCodeCamp image
Stack Overflow icon

Stack Overflow

Stack Overflow is one of the largest and most trusted online communities for developers to learn and share programming knowledge. Launched in 2008, it has become an indispensable resource in every developer's toolkit.The platform allows users to ask coding questions which are then answered and rated by a community of...
Stack Overflow image
Codecademy icon

Codecademy

Codecademy is an online education platform founded in 2011 that focuses on teaching coding skills interactively through its website. It offers free and paid coding courses across 12 programming languages including Python, JavaScript, Java, Ruby, SQL, C++, C#, Swift, Go, Sass, R, and Kotlin.The platform uses an innovative hands-on approach...
Codecademy image
SoloLearn icon

SoloLearn

SoloLearn is a free platform for learning programming and coding. It offers courses across popular programming languages and web development skills like Python, Java, C++, C#, HTML, CSS, JavaScript, Swift, Ruby, PHP, Kotlin, and more.The platform is available as mobile apps for iOS and Android as well as a web...
SoloLearn image
W3Schools icon

W3Schools

W3Schools is a free educational website for learning web technologies online. Some key information about W3Schools:It was launched in 1998 by Refsnes Data in Norway.It covers most major web development technologies including HTML, CSS, JavaScript, PHP, SQL, Python, and more.The tutorials and references provide simple explanations and plenty of examples...
W3Schools image
SitePoint icon

SitePoint

SitePoint is an online learning platform focused on web development and web design. It was founded in 1999 and provides a variety of resources for new and experienced developers to enhance their skills.Some key features of SitePoint include:Books - SitePoint publishes practical books on topics like JavaScript, CSS, Ruby on...
SitePoint image
Code.org icon

Code.org

Code.org is a nonprofit foundation dedicated to expanding access to computer science education in schools and increasing participation by women and underrepresented minorities. It was founded in 2013 by Hadi Partovi and his twin brother Ali Partovi.Code.org offers free online curriculum and lessons for students of all ages to learn...
Code.org image
Tutorialzine icon

Tutorialzine

Tutorialzine is an educational website that focuses on providing high-quality web development tutorials. It was created in 2009 by Martin Angelov to share what he was learning about coding and help others learn as well.The site covers a wide range of topics, including HTML, CSS, JavaScript, jQuery, PHP, Python, Ruby...
Tutorialzine image
Tutorialspoint icon

Tutorialspoint

Tutorialspoint is a free online education platform geared towards software developers and IT professionals. Founded in 2007, it features a large library of tutorials and references on a variety of technical subjects including:Programming languages like Java, Python, C, C++, C#, R, PHP, SwiftWeb development technologies like HTML, CSS, JavaScript, React,...
Tutorialspoint image
FullStack.Cafe icon

FullStack.Cafe

FullStack.Cafe is an informative blog for full stack developers of all skill levels. It features easy-to-understand tutorials and guides on topics essential for full stack development.Some key topics covered include:JavaScript - Tutorials on core JS, popular frameworks like React and Angular, state management with Redux, etc.Node.js - Using Node.js for...
FullStack.Cafe image
Progate icon

Progate

Progate is an interactive online learning platform focused on web and mobile app development. It offers beginner-friendly coding lessons and projects in languages like HTML, CSS, JavaScript, Ruby, Python and more.The courses use visualization diagrams, short quizzes and an in-browser coding editor to help reinforce concepts and allow hands-on coding...
Progate image
Guru99 icon

Guru99

Guru99 is a leading online education and training site that provides free access to a wealth of resources on the latest technologies. Founded in 2007, Guru99 aims to be a one-stop portal for IT professionals, students, and anyone looking to upskill.The site offers tutorials, courses, interview questions, quizzes, certification training,...
Guru99 image
Programming Hub icon

Programming Hub

Programming Hub is an online learning platform focused on teaching programming and coding. It offers interactive courses and tutorials on popular programming languages like Python, JavaScript, Java, C++, and more.Key features of Programming Hub include:Step-by-step video tutorials explaining programming concepts and showing how to build projectsCoding challenges and exercises to...
Programming Hub image
Zainabed icon

Zainabed

Zainabed is an open-source, self-hosted video conferencing solution developed as an alternative to proprietary options like Zoom and Google Meet. It focuses on providing enterprise-grade video meeting capabilities while prioritizing security, privacy, and control.As an open-source platform, Zainabed allows users to host their own video infrastructure without relying on third-party...
Zainabed image
MDN Web Docs icon

MDN Web Docs

MDN Web Docs is a free and open-source web documentation resource. It provides comprehensive documentation for web technologies including HTML, CSS, JavaScript, and related web APIs.MDN is maintained by Mozilla and a community of developers and technology enthusiasts. It aims to provide accessible and unbiased web documentation for both new...
MDN Web Docs image
MyExamCloud icon

MyExamCloud

MyExamCloud is a user-friendly cloud-based assessment platform designed for educational institutions to facilitate paperless exams and streamline the testing process. With MyExamCloud, educators can create, administer, auto-grade, and analyze exams all in one place.Key features include:Intuitive exam builder to create a variety of question types and assessmentsFlexible delivery options including...
MyExamCloud image
Online Interview Questions icon

Online Interview Questions

Online Interview Questions is a comprehensive interview preparation portal designed to help job seekers master the interview process. The website features an extensive database of typical interview questions, competent answers, and tips on acing interviews across a variety of roles and industries.Users can browse interview questions by job role, company,...
Online Interview Questions image