Showing 61–80 of 1,000 ranked alternatives.
Stepic Inc
Java, Python, and other languages
Programming languages such as Java, Python, Kotlin, JavaScript, Go, and SQL. Complete courses and projects to build real-world skills. Track progress and access detailed explanations for exercises. Earn certifications upon course completion.
Ievgen Ovsii
Study and data structures visually
Visualize and interact with and data structures through dynamic animations. Explore step-by-step breakdowns of sorting, searching, and graph . Practice coding exercises and test knowledge with quizzes.
NumWorks
Calculate, graph, and explore math problems
Solve math problems with , algebra, and calculus functions. Input equations, plot graphs, and analyze results. Store and recall previous calculations. Sync with calculators for seamless data transfer.
FreshBizOpps, LLC
Simulate circuits and analyze signals
Simulate electronic circuits with engine and virtual instruments. Add components to a breadboard and connect them. Analyze signals using oscilloscope and logic analyzer. Export simulation data. Create or customize electronic parts.
Pomegranate Apps LLC
Compute, plot, animate math equations
Create and test mathematical algorithms with a powerful computational engine. Build interactive plots and animations. Execute code and view results in real-time. Share calculations and export data in multiple formats.
Sovio Limited
Test and replace text
Test with syntax highlighting and match visualization. Customize highlight colors and view results in a list. Perform replacements and choose from light or dark themes. Access a cheatsheet for operators and metacharacters.
Giuseppe Lupo
Facts with AI prompts
Review website content and take a short quiz to test memory retention. Share links to start sessions. Track progress through self-testing and summary reviews.
Linfeng Li
Explore celestial objects in 3D
Explore celestial objects in real-time 3D. View planets, moons, star clusters, and galaxies with accurate positioning and movement. Navigate through at adjustable speeds. Zoom in on objects and observe their features. Save and share custom views.
FABRIKA INNOVATSI I RESHENI, OOO
Explore 3D models and pathologies
View 3D models of human and pathologies. Rotate, zoom, and examine structures from any angle. Explore detailed digestive system models and rare diseases. Access medically accurate information for learning and reference.
Oxy Foo
Coding with interactive exercises
Coding through interactive exercises in Python, SQL, HTML, CSS, and JavaScript. Practice coding without lectures or subscriptions. Track progress and at your own pace. No experience required.
CodenQuest
To code with interactive lessons and exercises
Programming with interactive exercises and real-time feedback. Access bite-sized JavaScript and Python lessons. Track progress with gamified challenges. Practice coding in a simulated environment. Receive instant corrections and explanations.
NOWALLS ANALYTICS PTY LTD
Read cards and interpret spreads
Learn and practice readings with digital spreads. Explore multiple decks including Brazilian Gypsy, European Lenormand, Rider Waite, and Major Arcana. Study card meanings and combinations. Interpret spreads from physical decks.
Daniel Ess
Visualize reactions in 3D with quantum simulations
View 3D models of chemical reactions based on quantum-mechanical simulations. Rotate, zoom, and dissect molecular structures. Annotate diagrams and save notes for later review. Share visualizations with classmates or instructors.
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