Observed arrival · 2026-10-31
AlgoLab makes algorithms playable
A free, interactive data-structures-and-algorithms curriculum pairs lessons with visualizers, educational games, and practice challenges.
○Open
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$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- People learning algorithms through hands-on practice
- Worth noticing
- Progress is saved locally, and the binary-search visualizer flags input that is not sorted.
Field notes
The curriculum moves through seven modules, starting with efficiency and recursion before reaching graphs and dynamic programming. Its examples include a Maze Explorer that compares breadth-first and depth-first search on the same grid, and a binary-search visualizer that calls out unsorted input. The homepage says progress stays on the learner’s device; it also presents the lessons and interactive activities as free to use without an account.
Observed signals
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
One card from the complete issue