Show HN Daily Selection (2025-08-04)
- Spatial Web Browser Engine
- Phlebas, a live timeseries sim controlled by the console
- Turn impulse buys into dream investments
- Structured Cooperation – A new way of building distributed apps & POC
- I Taught an LSTM to Trade So I Could Sleep Better at Night
- Zomni – An AI sleep coach that personalizes CBT-I for everyday use
- Enforce TDD in Claude Code
- Voltpeek – Vim-inspired oscilloscope software
Spatial Web Browser Engine [Consumer Tech]
9 points, 3 comments
Spatial Web Browser Engine for immersive web experiences.
- Enables 3D and spatial web browsing
- Supports immersive and interactive web content
- Designed for next-generation web experiences
Discussion Link, Original Link
Phlebas, a live timeseries sim controlled by the console [Developer Tools]
3 points, 0 comments
Live timeseries simulation controlled via console commands.
- Real-time data visualization
- Console-based interaction
- Dynamic simulation environment
Discussion Link, Original Link
Turn impulse buys into dream investments [Finance]
8 points, 6 comments
Nope It is a PWA designed to combat impulse buying by introducing psychological barriers and redirecting savings toward long-term goals.
- Forces a 24-hour cooldown period to shift from impulsive to deliberate thinking
- Translates purchase costs into tangible metrics (e.g., work hours)
- Redirects saved money to predefined goals (e.g., vacation fund)
- Built as a fast, no-install Progressive Web App (PWA)
- Uses behavioral psychology to replace shopping dopamine with goal progress
Discussion Link, Original Link
Structured Cooperation – A new way of building distributed apps & POC [Developer Tools]
5 points, 0 comments
A protocol for structured cooperation in distributed systems, inspired by structured concurrency, with a Kotlin POC implementation.
- Eliminates race conditions from eventual consistency
- Enables distributed exceptions with stack traces across services
- Simplifies reasoning about distributed systems
- Includes a Kotlin POC (Scoop) with Postgres-based distributed coroutines
- Provides both reactive and blocking implementations for learning
- Documents challenges of using Postgres as a message queue
Discussion Link, Original Link
I Taught an LSTM to Trade So I Could Sleep Better at Night [Finance]
4 points, 3 comments
LSTM-based trading model designed to improve sleep by automating investment decisions.
- Uses LSTM neural network for trading
- Aims to reduce stress and improve sleep by automating trades
- Focuses on algorithmic trading strategies
Discussion Link, Original Link
Zomni – An AI sleep coach that personalizes CBT-I for everyday use [Health]
3 points, 0 comments
AI-powered sleep coach using CBT-I to provide personalized sleep improvement plans.
- Uses AI to offer dynamic, tailored sleep recommendations
- Focuses on habit change without wearables
- Provides daily plans based on recent sleep data
- Built on OpenAI for conversational coaching
- Avoids unrealistic sleep goals and bad patterns
Discussion Link, Original Link
Enforce TDD in Claude Code [Developer Tools]
3 points, 1 comments
Enforce TDD in Claude Code
- Enforces Test-Driven Development (TDD) practices in Claude Code
- Helps maintain coding discipline by requiring tests before implementation
Discussion Link, Original Link
Voltpeek – Vim-inspired oscilloscope software [Developer Tools]
12 points, 1 comments
Voltpeek is a Vim-inspired, PC-based oscilloscope software designed for headless operation with a focus on keyboard-driven efficiency.
- Vim-like command interface for controlling the oscilloscope
- Designed for headless operation, ideal for use with a laptop
- Supports saving waveform images for easy documentation
- Compatible with custom-built oscilloscope hardware (7.5MHz BW, 62.5MS/s)
- Streamlined workflow compared to traditional oscilloscope software