Showing 81–100 of 1,000 ranked alternatives.
Public Broadcasting Service
Explore , play games, learn facts
Explore an interactive periodic table with element details and properties. Play an educational game hosted by David Pogue. Watch the full program "Hunting the " for in-depth explanations of element behavior and applications.
Boards and More GmbH
Learn tricks, track progress, and practice skills
Learn foil techniques with step-by-step tutorials for all skill levels. Watch videos on beginner lessons, advanced freestyle moves, jump variations, and wave riding. Track progress and access lesson plans for different kiteboarding disciplines.
Nautica SIA
Learn chartwork and safety rules
Learn fundamentals with interactive lessons on chartwork, safety, buoyage, light signals, shapes, sound signals, meteorology, GMDSS, and anchoring. Take quizzes to test knowledge and track progress.
Anvar Khamidullin
Listen to letter sounds and view letter
With interactive lessons. Tap a letter to hear its pronunciation and view a pop-up description. The description includes initial, middle, and final spelling, letter name, and sound details.
Corvin Hartmann
Explore thought experiments and paradoxes
Explore thought experiments and philosophical dilemmas in science and society. Read concise explanations of paradoxes and theoretical scenarios. Reflect on complex ideas through structured text summaries.
CodePro Studios, LLC
Prepare talks with gathered quotes and scriptures
Organize and prepare talks and lessons with pre-curated quotes, scriptures, videos, and discussion questions. Build outlines and access discussion prompts. Sync content across devices and save notes for future use.
Zyntx Lab LLC
Learn with quizzes and lessons
Learn to read and write the through 7 lessons covering print and cursive scripts. Complete multiple choice quizzes after each lesson. Hear native pronunciation for each letter, its sound, and a sample word.
BABYBUS CO., LIMITED
Hatch dinosaur eggs and feed dinosaurs
Learn about dinosaur behavior and interact with animals in a virtual world. Hatch and feed dinosaurs, play basketball with tyrannosaurus, and engage with sea lions and pigeons.
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