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DevCalc
Learn, practice, and ace technical interviews—for free
Ace your next software engineering interview with 1500+ curated technical interview questions covering JavaScript, React, Next.js, TypeScript, Node.js, SQL, DSA, and System Design. Free prep for freshers and experienced developers targeting Google, Amazon, Microsoft, TCS, and Infosys.
Top comment
# 🚀 DevCalc Interview Questions — Free Technical Interview Practice (No Signup) Hi Product Hunt! 👋 I'm Aditya, an independent developer, and today I'm launching a feature I wish existed when I was preparing for placements. Whenever I finished studying JavaScript, React, SQL, or Node.js, I wanted a simple way to test my knowledge. Most platforms required: * ❌ Creating an account * ❌ Buying a subscription * ❌ Completing only a few free questions * ❌ Jumping through random questions with no structured learning path So I built **DevCalc Interview Questions**. ### What makes it different? ✅ No signup required ✅ Completely free ✅ Structured learning path ✅ Real interview questions ✅ Detailed explanations for every answer ✅ Progress tracking ✅ Stage unlocking (Beginner → Intermediate → Advanced → MNC) Instead of copying questions from one source, I researched interview experiences, documentation, community discussions, and commonly asked concepts to build a practical interview preparation platform. ### Currently Available * JavaScript * React * TypeScript * Next.js * Node.js * SQL More technologies are being added continuously. 🔗 Try it here: https://www.devcalc.in/interview... I'd genuinely love your feedback. What technology should I add next? Thank you for checking it out! ❤️ #ProductHunt #BuildInPublic #WebDevelopment #JavaScript #React #NextJS #InterviewPreparation #Developers #IndieHackers
About DevCalc on Product Hunt
“Learn, practice, and ace technical interviews—for free”
DevCalc was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #122 on the daily leaderboard. Ace your next software engineering interview with 1500+ curated technical interview questions covering JavaScript, React, Next.js, TypeScript, Node.js, SQL, DSA, and System Design. Free prep for freshers and experienced developers targeting Google, Amazon, Microsoft, TCS, and Infosys.
On the analytics side, DevCalc competes within Education — topics that collectively have 79k followers on Product Hunt. The dashboard above tracks how DevCalc performed against the three products that launched closest to it on the same day.
Who hunted DevCalc?
DevCalc was hunted by Aditya Singh. 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 DevCalc including community comment highlights and product details, visit the product overview.