scienceNoirly AlgoLab
Don't memorize algorithms.
Understand them visually.
A visual DSA learning platform with step-by-step animations, synced code tracing, and structured lessons from arrays to graphs.
Bubble Sort — Live Preview
318
Visual Lessons
3
Learning Tracks
3
Difficulty Tiers
100%
Free to Learn
Everything you need to master DSA
Built for understanding, not rote memorization.
Interactive Visualizers
Step through algorithms frame by frame with synced code highlighting — like a debugger for DSA.
Structured Learning Path
318 lessons across Data Structures, Algorithms, and Patterns — beginner to advanced, unlocked in order.
Theory → Visualize → Quiz
Every lesson follows a proven flow: read the concept, watch it run, then prove you understood with a quiz.
Progress That Sticks
Your place in the roadmap is saved. Pick up exactly where you left off, on any device.
Three tracks, one roadmap
Progress through Beginner → Intermediate → Advanced across every topic.
Data Structures
Master ways to organize and store data efficiently.
- Beginner6 topics
- Intermediate5 topics
- Advanced4 topics
Algorithms
Sorting, searching, recursion, graphs, DP, and more.
- Beginner3 topics
- Intermediate3 topics
- Advanced3 topics
Patterns
Reusable problem-solving patterns mapped to visual lessons.
- Beginner2 topics
- Intermediate2 topics
- Advanced1 topics
How every lesson works
A consistent three-step flow across all 318 lessons.
Read Theory
Concise explanations with complexity analysis before you code.
Run the Visualizer
Play, pause, and scrub through each algorithm step with live state.
Pass the Quiz
Score 70%+ to complete the lesson and unlock the next one.
Ready to see algorithms in action?
Create a free account and start with your first visual lesson in minutes.