chalk
System design, DSA and AI as sketches and labs you can run
See chalk in action
About
Learn how software systems work through sketch-style boards, short lessons, narrated videos and labs where you move a slider and watch the idea break. Shrink a cache, overload a queue, drop the reply on a payment. 500+ boards, 550+ lessons, 200+ videos, 80+ labs across system design, DSA, AI, databases and networking. The first three lessons of every track…
Read full description
Learn how software systems work through sketch-style boards, short lessons, narrated videos and labs where you move a slider and watch the idea break. Shrink a cache, overload a queue, drop the reply on a payment. 500+ boards, 550+ lessons, 200+ videos, 80+ labs across system design, DSA, AI, databases and networking. The first three lessons of every track are free, no account needed.
- Category
- Engineering & Development, Productivity
- Available on
- web
- Launched
- October 22, 2026
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