Show HN Daily Selection (2025-04-19)
- I made a Doom-like game fit inside a QR code
- (bits) of a Libc, Optimized for Wasm
- Attune - Build and publish APT repositories in seconds
- Too Many Business Ideas? stop choosing, launch all of them, FAST&FREE
- I made a game using mazes generated by ChatGPT
- Any API to MCP Server tools converter
- I rebuilt my AI browser game using 100 pieces of feedback from HN
- I built an AI-powered packaged food ingredients list vegetarian scanner
- Happy Little Monoliths, First Edition
I made a Doom-like game fit inside a QR code [Entertainment]
296 points, 90 comments
Doom-like game embedded inside a QR code.
- Playable Doom-like game
- Entire game fits in a QR code
- Interactive and compact design
Discussion Link, Original Link
(bits) of a Libc, Optimized for Wasm [Developer Tools]
50 points, 9 comments
A lightweight libc optimized for Wasm with SIMD128 enhancements for faster performance.
- Uses Wasm SIMD128 to speed up string.h functions by ~4x
- Replaces slow musl functions with 16x faster alternatives
- Implements Shell sort instead of Smooth sort for better performance
- Avoids undefined behavior with SIMD intrinsics
- Benchmarked on x86-64 and Aarch64 for cross-platform validation
Discussion Link, Original Link
Attune - Build and publish APT repositories in seconds [Developer Tools]
60 points, 19 comments
Attune is a tool for quickly building and publishing APT repositories with local signing and easy deployment to managed object storage.
- Simplifies APT repository creation with just three commands
- Signs packages locally for enhanced security
- Deploys to managed object storage (e.g., S3)
- Open-source under Apache 2 license
- Plans for enterprise features like audit logging and RBAC
- Potential future managed cloud hosting service
Discussion Link, Original Link
Too Many Business Ideas? stop choosing, launch all of them, FAST&FREE [Business]
7 points, 11 comments
AI-powered tool to quickly launch and validate startup ideas without extensive effort.
- Validate ideas instantly with market demand, scalability, and competitor analysis
- Generate unique startup names with domain and social handle availability checks
- Create custom logos tailored to the business
- Build and edit professional landing pages using AI chat
- Web-based with no installation or complex onboarding
- Free to try with feedback encouraged
Discussion Link, Original Link
I made a game using mazes generated by ChatGPT [Entertainment]
3 points, 1 comments
A game created using mazes generated by ChatGPT.
- Uses ChatGPT for maze generation
- Features gameplay based on AI-generated mazes
Discussion Link, Original Link
Any API to MCP Server tools converter [Developer Tools]
4 points, 0 comments
Convert APIs to MCP Server tools.
- Transforms API specifications into MCP Server-compatible formats
- Simplifies integration with MCP Server environments
Discussion Link, Original Link
I rebuilt my AI browser game using 100 pieces of feedback from HN [Entertainment]
4 points, 2 comments
AI browser game rebuilt with community feedback, featuring an endless world and dynamic living systems.
- Endless procedurally generated world with mountains, lakes, and altitude-based snow
- Living ecosystems: trees grow, bears roam and react to players
- Toggle between first- and third-person view on the fly
- Guest mode for instant play without login
- AI-powered crafting system that generates recipes from typed inputs
Discussion Link, Original Link
I built an AI-powered packaged food ingredients list vegetarian scanner [Health]
3 points, 0 comments
AI-powered scanner for identifying vegetarian ingredients in packaged foods.
- Uses Google Vision API and Gemini AI to scan ingredient lists
- Classifies each ingredient as vegetarian or non-vegetarian
- Helps vegetarians quickly verify food products
- Designed for grocery store use
Discussion Link, Original Link
Happy Little Monoliths, First Edition [Inspiration]
6 points, 2 comments
Happy Little Monoliths, First Edition
- No additional details provided in the post