Show HN Daily Selection (2025-06-09)
- Let’s Bend – Open-Source Harmonica Bending Trainer
- Hexplain – Making medical papers accessible with AI
- Chaum Pedersen ZK Protocol Using gRPC
- Liven Beta – Context engine mapping codebase dependencies for LLM(SWE)
- A cross platform SOCKS5 proxy for TLS traffic inspection & manipulation
- AI that extracts brand identity from websites to generate ads
- I built a real-time dashboard to visualize my hourly earnings
Let’s Bend – Open-Source Harmonica Bending Trainer [Audio]
71 points, 12 comments
An open-source harmonica practice app that provides real-time pitch and bending feedback to improve technique.
- Real-time pitch and bending visualization
- No tracking or ads
- Open-source (MIT license)
- Available on F-Droid and GitHub
Discussion Link, Original Link
Hexplain – Making medical papers accessible with AI [Research]
4 points, 1 comments
Making medical papers accessible with AI.
- Uses AI to simplify medical research papers
- Aims to improve accessibility for non-experts
Discussion Link, Original Link
Chaum Pedersen ZK Protocol Using gRPC [Developer Tools]
8 points, 0 comments
A gRPC implementation of the Chaum-Pedersen zero-knowledge protocol for proving knowledge of a secret without revealing it.
- Uses multiplicative cyclic groups and safe primes for cryptographic security
- Prover demonstrates knowledge of secret x via challenge-response mechanism
- Verifier validates proof through mathematical checks without learning x
- Implements protocol over gRPC for efficient communication
Discussion Link, Original Link
Liven Beta – Context engine mapping codebase dependencies for LLM(SWE) [Developer Tools]
5 points, 0 comments
Liven Beta is a context engine that maps codebase dependencies for developers and LLMs, displaying them instantly in the terminal.
- Scaffolds dependency graphs (functions, classes, cross-file & folder relations)
- Provides instant visualization in the terminal
- Designed to assist both developers and LLMs with codebase context
Discussion Link, Original Link
A cross platform SOCKS5 proxy for TLS traffic inspection & manipulation [Developer Tools]
4 points, 0 comments
Cross-platform SOCKS5 proxy for inspecting and manipulating TLS traffic.
- Cross-platform compatibility
- SOCKS5 proxy functionality
- TLS traffic inspection
- TLS traffic manipulation
Discussion Link, Original Link
AI that extracts brand identity from websites to generate ads [Marketing]
3 points, 0 comments
AI tool that extracts brand identity from websites to generate platform-specific ads.
- Uses custom vision models, CSS parsing, and GPT-4 for voice analysis
- Extracts logos, colors, and brand voice from homepage copy
- Generates ads for platforms like Facebook with 85% accuracy for well-structured sites
- Built with Next.js, custom image processing, and OpenAI API
- Solves the pain point of manually creating ads in tools like Canva
Discussion Link, Original Link
I built a real-time dashboard to visualize my hourly earnings [Finance]
3 points, 0 comments
A real-time dashboard to visualize hourly earnings as they accumulate during work.
- Tracks earnings in real-time based on hourly rate and work schedule
- Built with Next.js, TypeScript, and animated using @number-flow/react
- Settings saved locally in the browser
- Named after the creator's cat, Bobo