Nicheloom visits: 58,111 all-time · 7,637 in the last 7 days

The opportunity tracker for new startups.

Today: 1,953 launches · Niche of the day: specialized calculation tools · See what launched today →

Master Kael

One LeetCode problem. One question at a time.

Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.

Want to reach these readers? Sponsor an issue.

master kael is a tutor for making you understand leetcode questions by having an insightful conversation with the users. It asks one question at a time and keeps the statement plus about what you already know, until you reach the answer. Use it online, or run it on your own machine.

PH · launched Oct 18, 2026 · 4 upvotes (top 7%) · 0 views

Niche: technical interview prep platforms · 94 launches, 5 in the last 7 days ▼ -50% · Explore this niche →

Category and tags
  • Education
  • Workflow automation
  • B2C
  • Not AI
  • Commercial product
  • Hiring
  • User Experience
  • Education
  • GitHub

Visit website ↗ Source listing ↗

More like this: all 94 launches in technical interview prep platforms →

Could you build this?

Yes This is a Socratic tutor chatbot built around LeetCode problems, easily implemented with an LLM prompt and standard web/CLI interface.

Competitors

Other products that read as similar to this one : 32 launches clear the similarity bar, closest 8 shown.

Attention rank: #2 of 33 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 313 days after the earliest competitor.

  • Leetcode_Problems · github · 2026-10-10 · 16 upvotes · similarity 0.49
  • SQLens · ph · 2026-09-09 · 1 upvotes · similarity 0.45
  • Openleetcode · hn · 2026-08-11 · 5 upvotes · similarity 0.44
  • Openleetcode · hn · 2026-08-18 · 73 upvotes · similarity 0.43
  • uiready.dev · ph · 2026-09-09 · 1 upvotes · similarity 0.40
  • LeetCode Visualizer · ph · 2026-10-14 · 1 upvotes · similarity 0.38
  • Kalendra 2.0 · ph · 2026-11-11 · 2 upvotes · similarity 0.37
  • AlgoDrill · hn · 2025-12-09 · 178 upvotes · similarity 0.36

Related data

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.