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GeeksforGeeks Alternatives

#1 Algoexpert

Paid
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Algoexpert is the number one resource to study for programming interviews. It provides 140 challenging questions to help improve your knowledge of data structures and algorithms. Each question is complemented with a video that shows a step-by-step solution to the problem. The platform features a live Code Editor that can be used to write answers to coding challenges.

The problem can be solved in several programming languages, including Java C#, C++, Javascript, Python, Kotlin, Swift, and PHP. After solving each problem, the incumbent receives a Certificate of Completion, which can be shared on Social media Platforms. This approach improves the chances of capturing the attention of tech giants and landing an interview with them. Besides coding questions, algoexpert also provides a few courses that contain in-depth explanations on a particular topic.

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#2 Interview Cake

Paid
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Interview Cake provides vital knowledge to help you in ace coding interviews. You can learn the concepts of Data Structures and Algorithms by undertaking The Interview Cake Course. This course delivers step-by-step instructions on DS & Algo topics, including Binary Search, Brute Force Algorithms, Array, Linked List, Binary, Graph, Stacks, and much more. Each concept is coupled with a relevant problem that you can solve to test your knowledge on that particular topic. Problems can be solved on the site’s built-in editor, which supports several languages like C#, C++, Java, and Python.

#3 CodingInterview

Free
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CodingInterview offers essential information to help you conquer programming interviews. It provides interview guides for major tech giants, including Amazon, Microsoft, Google, Facebook, and more. You can follow the Interview Roadmap to gain mastery of DS & Algo concepts. The roadmap teaches you all the required knowledge to master the subject and takes approximately three months to complete. Besides the roadmap, the platform provides tutorials on Data Structures and System Design. One thing to note here is that the courses aren’t hosted on the site but on educative, which is the parent company of CodingInterview.

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#4 Interviewing.io

Free
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Interviewing.io provides Mock interviews with highly qualified engineers working at tech giants such as Google and Microsoft. You can schedule a mock interview session in advance with experts, who’ll give you a quick overview of algorithms and system design problems and offer their feedback based on your performance. The interviewers don’t have personal information about the interviewee and act as a senior guide for the incumbent.

Once you’ve mastered mock interviews, you can pay to have a real interview with an engineer from a tech company. They will assess your skills and if they are happy with what they see, you will be called for an onsite interview. Besides jobseekers, Employers can also use the platform to find people to fill vacancies in their companies. Lastly, the site has interview questions on many languages, such as Java, Python, C#, Javascript, and C++.

#5 Daily Coding Problem

Free
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Daily Coding Program sends one programming problem to your inbox every day. The questions are relevant to Data Structures & Algorithms and are meant to motivate you to practice and get a high-paying job in tech companies. The main page displays a subscription box where you can enter the email address to receive the questions. Once that’s done, a coding challenge will be sent to the specified email address. You can then put your skills to the text by solving them and verifying the answer through the solution that will be dispatched on the following day.

#6 Pramp

Free
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Pramp pairs you with a qualified engineer in a Live Interview Environment designed to improve the chances of landing a job in top companies. The individuals first create an account with the site and log-ins via their credentials. Once authentication is done, they are asked to specify the topic they’d like to practice, along with the time in which the interview will take place.

Pramp then places like-minded people in a Live Video Interview that lasts from 30-45 minutes. After the conclusion of an interview session, the participants provide feedback to one another, which helps them cover their shortcomings. The platform provides several types of interviews such as Data Structures & Algorithms, Product Management, Behavioral, System Design, Frontend, and Data Science.

#7 CodingBat

Free
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CodingBat is an online platform containing hundreds of programming problems in Java and Python. Challenges are designed to enhance your knowledge of Data Structures and algorithms and increase the chance of succeeding at a coding interview. It is a great resource for both beginners and experts. All questions can be solved on the live editor, and there is also a solution button that displays the correct answer.

Besides coding problems, CodingBat has a docs section, displaying instructional material in the form of writings and videos. The best feature is that the site doesn’t require you to register an account for accessing the content. However, having an account enables you to continue from the last question and monitor the overall progress.

#8 CodeChef

Free
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CodeChef is the best resource for people looking to get a job as a programmer in leading organizations. It has a vast collection of questions related to Data Structures & Algorithms and frequently hosts coding contests in which the top performers are awarded cash prizes. Schedule for upcoming competitions can be checked by clicking on the compete option and tapping the “All Future Contests” sub-option. Through the platform, you also have an opportunity to conduct a programming match in a relative organization, school/university, or as a test.

CodeChef’s main talking point is the huge library of coding challenges meant to improve problem-solving skills. The questions are divided into multiple categories specifying the required skill level such as Beginner, Easy, Medium, Hard, Challenge, and Peer. You can also find specific problems using the Search Bar, typing multiple tags into it, after which it will display the relevant results.

#9 CodeForces

Free
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CodeForces is a highly-valued Competitive Programming platform frequented by both experts and beginners in the programming industry. It contains a problem set composed of dozens of questions regarded as quite challenging and requires a significant amount of knowledge to solve. Questions can be narrowed down by specifying the difficulty level and typing the relevant tags. Those who successfully solve the problem are assigned a ranking that can increase/decrease based on their performance in the questions. You can register with the site by creating a new account or logging in with Gmail, Facebook, or ICPC credentials.

CodeForces conducts coding contests all the time. You can participate in these competitions to optimize problem-solving skills and increase your ranking. Contests include a set of questions that have to be solved in a set duration. Winners are awarded a rank boost and can have their username displayed in the Top-rated table on the home page, depending on the accumulated points.

#10 LogicMojo

Paid
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LogicMojo teaches aspiring programmers Data Structures and algorithm hacks to conquer their Interviews with popular tech companies. It offers a full-fledged Interview preparation course containing over 240 lectures on DS & Algo and System Design. Classes are followed by challenging assignments meant to evaluate your understanding of the subject, and a Doubt Clearing Session is conducted to clear any confusions that you may have. A weekly coding test must also be passed to progress further in the course.

What makes the content stand out is the number of problems that are provided with each topic. These questions are aimed at showing you the tricks to solve future challenges with great ease. You can practice on the Live Code Editor given on the site, which supports major programming languages such as Java, C++, and Python. You can enhance interview skills by taking Mock Interviews, a great tool to prepare for real interviews. LogicMojo features a Job Referral program that is intended to pair Jobseekers with Employers.

#11 Coderbyte

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Coderbyte is cloud-based pre-employment testing software that is created to help businesses conduct coding assessments for programming and technical positions. It is a comprehensive solution that contains almost all the core services and features to make it a one-stop coding assessment solution. The solution comes with an activity dashboard that allows administrators to configure system settings, monitor logs, as well as view completion status on a centralized screen.

The software allows businesses to define several qualification criteria for candidates, detect plagiarism, and generate performance reports to range applicants using the predictive analytics that make it better than others. It also comes with a built-in challenge library that allows you to create customizable assessments easily and quickly.

#12 Codecademy

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Codecademy is another online freemium interactive platform that offers free coding classes in more than 12 different programming languages such as Python, Java, JavaScript, Ruby, and SQL, etc. The site also offers a paid pro option that gives users access to personalized learning plans, realistic projects, quizzes, and live help from advisors. It has more than 45 million users around the world who can use it to improve their coding skills and do professional projects.

It provides courses for learning the command line and Git. Just like the other similar platforms, it also has a community specially made for those who want to learn, help and share their professional experience. Also, the platform maintains a partnership with large niche content sites and works with lots of daily deal sites. To use the Codecademy service, you need to sign up via a verified email address and all the other required information.

#13 LeetCode

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LeetCode is a powerful platform that helps you enhance your skills, expand your knowledge as well as prepare for technical interviews. It is the fastest-growing well-optimized solution that provides structure to guide your progress towards the next step in your programmer career. On this platform, you can learn almost all the leading programming languages easily and quickly.

The platform features more than 1800 questions for you to practice that help you quickly progress. One of the best thing about this platform is that it has one of the largest tech community of active users and participate in its contests to change yourself as well as earn reward. There is also an option that helps companies hire tech talent easily. LeetCode is a comprehensive solution that also offers lots of prominent features such as live interviews, create own custom questions, an online library, and much more.

#14 HackerRank

Freemium
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HackerRank is a platform that allows companies to conduct interviews remotely to hire developers and for technical assessment purposes. The platform enables companies to evaluate and hire the best talent in the technology sector around the world. It has an extremely interactive dashboard that allows users to perform all the tasks from uploading and taking the test to manage the candidates’ profiles.

The platform has a leaderboard that ranks the developers according to their tests from all around the world, which enables the companies to hire the best developers. Companies can get detailed reports on developers, such as their ranks, progress, and the number of tests they completed. HackerRank allows companies to write questions in a single panel, which they can share with the candidates. Lastly, companies can also view which candidates pass the test and who have failed in it, and it allows developers to practice their coding skills.

#15 Topcoder

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Topcoder is an open global community of developers, designers, data scientists, and competitive programmers where they can showcase their skills. It is known as an excellent way for companies to get the services for highly-talented individuals without the hassles of employing them as well as onboarding them. Companies can easily use this to search for intelligent individuals that offer an exceedingly innovative solution for their problems at the delivery speed at least twice as quickly as the normal solution from their employees.

The platform is run by a closely-knit community for developers, designers, and programmers, and it provides an opportunity to other m like-minded individuals. One of the best facts about this platform is that it offers workshops to train coders in new technologies for their future endeavors that make it better than others. Topcoder’s core feature includes a dedicated freelance marketplace, easy to understand interface, a massive logo design gallery, and much more.

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