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Chalk
Every hard topic, drawn on a board and told as a story
Remember the teacher who drew it on the board and it finally clicked? chalk is that, for 550+ lessons. Boards: every idea as one hand-drawn sketch. Lessons: short stories. A chai stall explains load balancing. Videos: 200+ narrated explainers. Labs: move a dial, watch it break. Review: questions come back before you forget. System design, DSA, AI, finance, game theory and more. First three lessons of every track free.
Hey Product Hunt 👋
I'm Garv. I always understood things better when someone drew them out on a board and let me poke at them, so I made chalk around that idea.
Every topic is a sketch-style board with a short lesson around it. Many have a lab where you change one number (cache size, queue load, replica lag) and watch what breaks. Some ask you to choose first: what does your app do when a payment times out but the charge already went through? You pick, then you see what it costs.
There are narrated videos too, and a review deck that brings questions back before you forget them.
Tracks cover system design, DSA, AI, databases, networking, finance and a few more. The first three lessons of every track are free, no account needed. The rest is a yearly or lifetime plan, and LAUNCH50 takes 50% off until 25 October.
I used AI tools to help build it and I review everything before it goes up.
I'd love your honest feedback, especially on what feels confusing on the first page you land on. I'm here all day to answer.
About Chalk on Product Hunt
“Every hard topic, drawn on a board and told as a story”
Chalk was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #135 on the daily leaderboard. Remember the teacher who drew it on the board and it finally clicked? chalk is that, for 550+ lessons. Boards: every idea as one hand-drawn sketch. Lessons: short stories. A chai stall explains load balancing. Videos: 200+ narrated explainers. Labs: move a dial, watch it break. Review: questions come back before you forget. System design, DSA, AI, finance, game theory and more. First three lessons of every track free.
On the analytics side, Chalk competes within Education, Developer Tools and Artificial Intelligence — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how Chalk performed against the three products that launched closest to it on the same day.
Who hunted Chalk?
Chalk was hunted by Garv Nanwani. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Chalk including community comment highlights and product details, visit the product overview.
Garv Nanwani