Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad




QueryCase is described as 'Gamified SQL learning platform where you learn by solving detective mystery cases with real SQL queries, not exercises' and is a online education service in the development category. There are more than 10 alternatives to QueryCase for a variety of platforms, including Web-based, Android, iPhone, iPad and Android Tablet apps. The best QueryCase alternative is Khan Academy, which is free. Other great apps like QueryCase are Codecademy, Coursera, Udemy and Udacity.
Khan Academy is not-for-profit with the goal of changing education for the better by providing a free world-class education to anyone anywhere.




Explore free interactive coding courses in web development, data science, and various languages. Codecademy offers a fun, collaborative learning environment with community support, personalized paths, skill assessments, and more, covering both foundational and advanced concepts.



Global e-learning platform offering self-paced free and paid courses, certifications, and degrees from universities and industry leaders, accessible on any device, with language options, financial aid, interactive content, and workforce training support.




The platform connects 73 million students with 250,000 courses on subjects like programming, marketing, and design. Features lifetime access and 75+ language options, plus offline learning and mobile app support. Includes quizzes, instructor Q&A, and more.




Offers online university-level courses focusing on data science, programming, AI, and more, featuring self-paced flexible learning with industry collaboration, interactive projects, career guidance, and globally accessible certification for job readiness.


Interactive learning for 12 million globally with 400+ courses; master Python, SQL, and AI. Uses real-world projects, free chapters, updated content.




Project-based platform offering interactive, in-browser coding, real data exercises, portfolio-building features, guided projects, career-focused skill tracks, structured learning paths, instant feedback, peer support, and flexible, self-paced modules for data roles.

Welcome to the most captivating, finger-flying, addictive way to learn to code.



Preparing for a data engineer interview and are overwhelmed by all the tools and concepts? Enroll now for free and learn how to ace the data engineering interview.

It is a very useful application, where you learn a lot about the SQL language. This application can be used anywhere, even when not connected to internet. And it is very small, only 2.2 MB! Become masterful in the art of SQL!.



