Free algorithm visualization platform from National University of Singapore (NUS) covering 26+ data structures and algorithms. Provides step-by-step animated visualizations for sorting algorithms (Quick Sort, Merge Sort, Heap Sort), graph algorithms (Dijkstra, BFS, DFS, Kruskal, Prim), tree structures (BST, AVL, Red-Black, Segment Tree), and dynamic programming problems. Used by 2M+ computer science students globally for exam preparation (CS1020, CS2040, CS3230), coding interview prep (FAANG companies), and algorithm complexity analysis (Big-O notation). Each visualization includes pseudocode, time complexity breakdown, and interactive mode for custom input. Created by Dr. Steven Halim and maintained by NUS School of Computing. Alternative to Algorithm Visualizer, USFCA Visualization Tool, and Sorting.at.
CodePen
Online code editor for front-end development - perfect for CS students learning HTML, CSS, and JavaScript
What is CodePen and who should use it?
CodePen is online code editor for front-end development - perfect for cs students learning html, css, and javascript
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What can CodePen do?
How much does CodePen cost?
CodePen offers a free tier with core features. Premium features are available through paid plans.
How does CodePen integrate with existing workflows?
CodePen is designed to fit into professional ai development workflows. Visit the official website to explore specific integration options, API access, and compatibility with your existing tools.
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