Practice algorithms and data structures
Practice algorithms and data structures through gamified Leetcode exercises. Track progress with daily challenges and streaks. Earn rewards and level up by solving problems. View detailed solutions and explanations.
Showing 21–40 of 1,000 ranked alternatives.
Praktika.ai Company
Practice languages with AI Avatars
Learn English, Spanish, Japanese, Korean, French, Portuguese, Italian, and German through realistic AI avatars. Practice conversations with personalized avatars featuring cultural context and natural accents.
ELSA, Corp.
Practice with real-time feedback
Learn with 8,000+ lessons covering grammar, vocabulary, and pronunciation. Practice speaking through real-time scenarios for interviews, meetings, and exams. Use interactive games to reinforce skills. Receive feedback on pronunciation and accuracy.
Sanchhaya Education Private Limited
Practice problems and DSA
Access tutorials, practice problems, and articles on Data Structures and Algorithms, Web Development, and technical interview preparation. Track progress with practice exercises and detailed explanations.
Liontude LLC
Study civics questions and prepare for
Study for the US Test with authentic questions and audio. Practice both 100-question and 128-question formats. Review official USCIS materials and track progress. Access study guides and test simulations. Prepare for the reading and writing sections.
Unlimited Promova Limited
Speak fluently with AI feedback
Learn and practice languages with AI-driven conversation exercises. Engage in real-time dialogues, receive instant feedback, and track progress. Set personal goals and access structured lessons tailored to individual needs.
C137, LLC
Practice conversations and track progress
Learn to improve fluency and emotional through interactive lessons. Practice communication skills like flirting, public speaking, and job interviews. Track progress with skill assessments and receive feedback.
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