Cracksheet – Free Tech Notes, Interview Prep and Cheatsheets
Posted2 months ago
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CrackSheet is a website offering free tech notes, interview prep, and cheatsheets, which was shared on HN and received a generally positive reception.
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Oct 28, 2025 at 7:46 AM EDT
2 months ago
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Oct 28, 2025 at 7:46 AM EDT
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A while ago, I built CS Sprint — a free site for computer-science notes, interview questions, and cheatsheets, made to help students and developers prepare faster for interviews.
I’ve now rebuilt and relaunched it as CrackSheet
What’s new:
Migrated from React to Next.js + TypeScript
Better performance, SEO, and structure
Expanded educational content (notes, interview Qs, cheatsheets, and more coming soon)
The goal remains the same — to make tech learning and interview prep accessible and free for everyone.
I’d really appreciate your feedback on the design, performance, and overall usability. You can check it out here https://www.cracksheet.com
Happy to answer any questions or suggestions!