CoderX
LeetCode for React, Express & Node.js
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Practice real React + Express/Node.js MERN stack development directly in your browser powered by WebContainers. Zero local setup, no Docker, full npm support.
PH · launched Sep 14, 2026 · 2 upvotes (top 26%) · 0 views
Niche: technical interview prep platforms · 94 launches, 5 in the last 7 days ▼ -50% · Explore this niche →
Category and tags
- Education
- Dev tools
- Developer
- Not AI
- Commercial product
- Open Source
- Education
- Software Engineering
- GitHub
Visit website ↗ Source listing ↗
More like this: all 94 launches in technical interview prep platforms →
Could you build this?
Yes CoderX relies on StackBlitz's WebContainer API to run Node and Express directly in the browser alongside standard Monaco/VS Code components and client-side test runners.
Competitors
Other products that read as similar to this one : 181 launches clear the similarity bar, closest 8 shown.
Attention rank: #49 of 182 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 314 days after the earliest competitor.
- Openleetcode · hn · 2026-08-18 · 73 upvotes · similarity 0.50
- Openleetcode · hn · 2026-08-11 · 5 upvotes · similarity 0.49
- Titan · hn · 2025-12-11 · 49 upvotes · similarity 0.45
- NOVA —React Developer Portfolio Template · ph · 2026-10-15 · 1 upvotes · similarity 0.44
- Node.JS in the Browser · hn · 2026-08-06 · 6 upvotes · similarity 0.41
- NPMTools.dev · ph · 2026-11-01 · 1 upvotes · similarity 0.41
- Avenx.js · ph · 2026-11-05 · 1 upvotes · similarity 0.41
- Nectar, a Rust-like React that compiles to WebAssembly · hn · 2026-07-06 · 29 upvotes · similarity 0.41
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.