Show HN Daily Selection (2025-09-13)
- Aris – a free AI-powered answer engine for kids
- I made a generative online drum machine with ClojureScript
- VibeDbg – Cconversational, LLM-Powered AI Assistant for WinDbg
- An MCP Gateway to block the lethal trifecta
- DWS OS, a Plan 9 Inspired Web “OS”
- Consentless – A minimalist, privacy-preserving traffic counter
- I got tired of Base64, so I made a numeric-only alternative
- I made a small site to share text & files. Free, no ads or registration
- OllaMan – An Elegant GUI for Ollama AI Model Management and Chat
- I built a tool to find trading signals that aren't just random luck
- I built an AI that roasts your website and gives tips to fix it
- New Qwen3-Next is coming（Free&Unlimited to use)
- AvoSmash – AI video storytelling made easy
- Polaris Audit – Website Compliance Scanner with Fix Instructions
- 54321 5 Senses Grounding PWA – Try this if you feel anxious
Aris – a free AI-powered answer engine for kids [Education]
13 points, 17 comments
A free AI-powered answer engine designed specifically for kids to safely explore knowledge without addictive or harmful internet content.
- Uses LLMs with policy engines and web search to provide stripped-down, safe answers
- No links, images, or ads to minimize distractions
- Customizable moderation settings for parents (e.g., blocking sensitive topics)
- Designed to prevent emotional reliance on AI, encouraging real-world engagement
- Available as web app, iOS/iPad app, and Apple Watch app
- Monetization via premium features (multi-child accounts, better models, higher usage limits)
Discussion Link, Original Link
I made a generative online drum machine with ClojureScript [Audio]
165 points, 31 comments
A free, web-based drum machine built with ClojureScript, offering generative beat creation and advanced export options.
- Procedural sample generation for infinite unique drum sounds
- Generative beat creation to inspire and overcome creative blocks
- Advanced export options (WAV, MIDI, SoundFont, Impulse Tracker, etc.)
- Pocket Operator/Volca sync for hardware integration
- Per-note effects for complex drum patterns
- PWA support for app-like experience
- Declarative audio engine for clean Web Audio API management
Discussion Link, Original Link
VibeDbg – Cconversational, LLM-Powered AI Assistant for WinDbg [Developer Tools]
3 points, 0 comments
VibeDbg is an LLM-powered assistant that enables natural language interaction with WinDbg for debugging.
- Converts debugging tasks into conversational, natural language commands
- Includes a native WinDbg extension for seamless command execution
- Uses an AI-driven MCP server to connect debugging tasks with LLMs
- Supports WinDbg features like breakpoints, memory views, and dx visualization
Discussion Link, Original Link
An MCP Gateway to block the lethal trifecta [Developer Tools]
40 points, 21 comments
A gateway to block the "lethal trifecta" by intercepting and warning about dangerous LLM interactions with MCP servers.
- Inspects MCP server tools and requirements
- Classifies tools based on private data access, untrusted content, and external comms
- Blocks risky interactions and prompts user review via a web dashboard
- Open-source and available for community testing
Discussion Link, Original Link
DWS OS, a Plan 9 Inspired Web “OS” [Developer Tools]
39 points, 9 comments
A web-based desktop environment inspired by Plan 9, featuring a virtual filesystem, built-in apps, and tools for creating and sharing custom applications.
- Plan 9-inspired design with a unique aesthetic and workflow
- Virtual filesystem with upload/download capabilities
- Built-in apps including ACME editor, file browser, and web browser (iframe-based)
- JavaScript programming support within the ACME editor
- API for building GUI apps and interacting with the OS DOM
- Export/import OS state as JSON for sharing and collaboration
- Example projects provided for inspiration and experimentation
Discussion Link, Original Link
Consentless – A minimalist, privacy-preserving traffic counter [Developer Tools]
7 points, 2 comments
A minimalist, privacy-preserving traffic counter written in Go.
- Privacy-focused analytics without requiring user consent
- Replaces an older PHP-based solution
- Designed for simplicity and reliability
- Includes initial documentation for setup and use
Discussion Link, Original Link
I got tired of Base64, so I made a numeric-only alternative [Developer Tools]
3 points, 7 comments
Numbase is a numeric-only alternative to Base64 for encoding data into a single large number.
- Encodes data into a numeric format instead of ASCII characters
- Useful for storing or transmitting data in numeric form
- Compatible with compression algorithms like Huffman
- GitHub repository available for implementation details
I made a small site to share text & files. Free, no ads or registration [Text]
34 points, 41 comments
A simple, free site for sharing text and files without ads or registration.
- No user registration required
- Completely free to use
- No advertisements
- Supports both text and file sharing
Discussion Link, Original Link
OllaMan – An Elegant GUI for Ollama AI Model Management and Chat [Productivity]
10 points, 0 comments
OllaMan is a macOS desktop application providing an elegant GUI for managing Ollama AI models and chatting with them.
- Local Model Management: View and manage installed Ollama models with details, sizes, and versions.
- One-Click Model Discovery & Installation: Browse and install models without command-line hassle.
- Intuitive Chat Interface: Engage in fluid conversations with real-time streaming responses and chat history management.
- Multi-Server Management: Configure and monitor multiple Ollama servers for different environments.
- macOS Design: Modern interface seamlessly integrated with macOS for a premium experience.
- Productivity Features: Batch operations, model filtering, session export, and more to optimize workflow.
Discussion Link, Original Link
I built a tool to find trading signals that aren't just random luck [Finance]
9 points, 12 comments
A tool for identifying statistically significant trading signals to avoid misleading backtests.
- Analyzes daily market data to validate trading signals
- Uses metrics like low p-value, high Sharpe Ratio, and "Core Performance"
- Filters by Profit Factor and Max Drawdown for better risk assessment
- Offers Telegram alerts and a 30-day free Pro trial
Discussion Link, Original Link
I built an AI that roasts your website and gives tips to fix it [Design]
6 points, 2 comments
AI-powered tool that humorously critiques websites and provides actionable improvement tips.
- Uses Groq’s LLaMA 3.3 + Puppeteer for analysis
- Roasts design, content, and UX with humor
- Offers 3–5 practical improvement suggestions
- Built in 2 days as a fast idea-to-launch experiment
- Includes a $0.55 pro version for detailed roasts and downloads
Discussion Link, Original Link
New Qwen3-Next is coming（Free&Unlimited to use) [Life Assistant]
3 points, 0 comments
New Qwen3-Next is an upcoming free and unlimited AI tool.
- Free to use
- Unlimited access
- Next-generation AI capabilities
Discussion Link, Original Link
AvoSmash – AI video storytelling made easy [Video]
5 points, 1 comments
AI video storytelling platform combining multiple AI tools into one studio for easy professional video creation.
- Integrates various AI technologies into a single platform
- Simplifies the process of creating professional-quality videos
- Offers free credits for users to try the service
Discussion Link, Original Link
Polaris Audit – Website Compliance Scanner with Fix Instructions [Developer Tools]
4 points, 1 comments
A website compliance scanner that identifies and provides direct fixes for security, GDPR, and accessibility issues.
- Scans for security problems like HTTPS, SSL, and headers
- Checks GDPR compliance for cookies and privacy policies
- Identifies accessibility issues such as missing alt text and keyboard navigation
- Provides copy-paste code snippets to directly fix detected issues
- Built with Django, React, and PostgreSQL
- Free with detailed reports, with optional paid accounts available
54321 5 Senses Grounding PWA – Try this if you feel anxious [Health]
4 points, 2 comments
A PWA for anxiety relief using the 5-4-3-2-1 grounding technique.
- Helps manage anxiety through sensory grounding
- Progressive Web App (PWA) for easy access
- Uses the 5-4-3-2-1 method (5 things you see, 4 you can touch, etc.)
- No installation required, works offline
- Simple, user-friendly interface