Showing 461–480 of 1,000 ranked alternatives.
Sakib Khan
Track progress on coding problems
Track problem-solving progress with detailed notes, tags, and complexity metrics. Add multiple solutions and upload screenshots per problem. Filter and search problems efficiently. Visualize progress across 18 topics. Support dark mode interface.
Webrich Software Limited
Practice problems and review notes
Practice with over 1510 questions and 151 revision notes covering Algebra, Geometry, Data Analysis, and Number & Operations. Take mock tests with mixed questions. Review detailed solutions and notes for each topic.
Antra Mahaldar
Learn about climate change and sustainability
Track daily emissions by logging transportation, energy use, and waste habits. Calculate weekly and monthly totals. Set reduction goals and receive progress updates. Share data with friends to encourage collective action.
Gilbert Reilly
Access content, cancel anytime
Access all content with a subscription. View and complete lessons tailored for 2nd graders. Track progress and receive feedback. Cancel anytime after the 7-day free trial. Renew automatically unless turned off 24 hours in advance.
Nicolas STEPHAN
Create quizzes, import logos, share in JSON
Create quizzes with single-choice, multiple-choice, or open-ended questions using text and images. Import a logo and share in JSON format. Select from custom, review, full, or partial modes. Play in game mode with time limits or mistake restrictions.
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