Show HN Daily Selection (2025-05-14)
- HelixDB – Open-source vector-graph database for AI applications (Rust)
- A5
- AG-UI Protocol – Bring Agents into Frontend Applications
- Litelytics – A nice GA4 dashboard (better Looker Studio)
- Put macros.menu/ in front of any restaurant menu URL
- I made a site for finding people to build cool tech projects with
- Make your own voice AI in two clicks
- Basecoat – shadcn/UI components, no React required
- Downloads Director – Auto-organize your Downloads folder by file type
- Triplex, a visual workspace for React / Three Fiber
- Open-source MMORPG prototype inspired by World of Warcraft
- LLM-God – An LLM Multiprompting App
HelixDB – Open-source vector-graph database for AI applications (Rust) [Developer Tools]
109 points, 50 comments
HelixDB is an open-source vector-graph database written in Rust, designed for AI applications like RAG by combining vector and graph capabilities in a single system.
- Integrates vector and graph databases natively for AI-driven applications
- Performance benchmarks on par with Pinecone/Qdrant for vectors and significantly faster than Neo4j for graphs
- Supports use cases like codebase indexing, molecule discovery, and enterprise knowledge management
- Uses HelixQL, a custom query language transpiled into Rust for optimized execution
- Schema-based with type-checked queries and JSON responses for easy client integration
- Focused on parallel and pipelined graph traversals for efficiency
- Includes a RAG demo with Jupyter notebook for quick testing
Discussion Link, Original Link
A5 [Developer Tools]
79 points, 26 comments
A5
- No additional details provided.
Discussion Link, Original Link
AG-UI Protocol – Bring Agents into Frontend Applications [Developer Tools]
22 points, 5 comments
Bring Agents into Frontend Applications with AG-UI Protocol.
- Enables integration of agents into frontend applications
- Facilitates interactive and dynamic user experiences
Discussion Link, Original Link
Litelytics – A nice GA4 dashboard (better Looker Studio) [Business]
6 points, 1 comments
A clean, simple Google Analytics (GA4) dashboard that works out of the box with no setup required.
- No BigQuery or complex setup needed
- Easy connection to GA4
- Clean and visually appealing interface
- Works immediately after setup
Discussion Link, Original Link
Put macros.menu/ in front of any restaurant menu URL [Health]
6 points, 0 comments
Macros.menu estimates macro nutrition for restaurant menus via AI.
- Estimates macros (protein, carbs, fats) for any restaurant menu
- Works by prefixing menu URLs with macros.menu/
- Currently supports text-based menus (no image menus yet)
- Designed for fitness/health tracking while dining out
- Uses generative AI for nutritional estimations
Discussion Link, Original Link
I made a site for finding people to build cool tech projects with [Productivity]
12 points, 14 comments
A platform for finding collaborators to build side projects together, focusing on motivation and consistency rather than just startups.
- Helps users find partners for side projects to stay motivated and consistent
- Basic streak feature to encourage regular progress
- Laid-back approach, not limited to startups—supports learning and personal projects
- Simple process: post ideas and connect with interested collaborators
Discussion Link, Original Link
Make your own voice AI in two clicks [Audio]
18 points, 5 comments
Create your own voice AI with just two clicks by uploading a voice and defining a personality.
- Upload a voice and write a personality prompt
- Try pre-made characters
- Built using Gemma 3 12B augmented with custom text-to-speech and speech-to-text models
- Plans to release models as open-source soon
Discussion Link, Original Link
Basecoat – shadcn/UI components, no React required [Developer Tools]
104 points, 61 comments
Basecoat ports shadcn/ui v4 to plain HTML + Tailwind, offering a React-free alternative for UI components.
- Live demo and documentation available at basecoatui.com
- MIT-licensed and free on GitHub
- Compatible with any backend (Flask, Django, Rails, PHP) or static sites
- Fully theme-compatible with shadcn/ui
- Uses minimal Alpine.js for interactivity, easily swappable with custom JS
- Simple usage with Tailwind classes (e.g.,
<button class="btn">Click me</button>) - Designed for developers transitioning from Next.js to simpler stacks like Flask + HTMX
Downloads Director – Auto-organize your Downloads folder by file type [Productivity]
4 points, 1 comments
Downloads Director is a macOS app that automatically organizes downloaded files into folders based on file extensions.
- Automatically moves files to folders by extension
- Supports custom rules (e.g., .jpg → Pictures)
- Works in real time or on-demand
- Compatible with ARM and Intel Macs
- Free to use with no data collection
- No personally identifiable data collected
Triplex, a visual workspace for React / Three Fiber [Developer Tools]
3 points, 0 comments
Visual workspace for React and Three Fiber development.
- Designed for React and Three Fiber integration
- Provides a visual development environment
- Aims to streamline 3D web development workflows
Discussion Link, Original Link
Open-source MMORPG prototype inspired by World of Warcraft [Entertainment]
5 points, 2 comments
Open-source MMORPG prototype inspired by World of Warcraft.
- Open-source
- MMORPG prototype
- Inspired by World of Warcraft
Discussion Link, Original Link
LLM-God – An LLM Multiprompting App [Productivity]
4 points, 0 comments
LLM-God is a desktop app for Windows that allows users to query multiple LLM web interfaces simultaneously and view responses in one place.
- Supports Perplexity, ChatGPT, and Gemini by default, with options to add others like Grok, Claude, and DeepSeek
- Minimalist, keyboard-friendly interface
- Built with Electron for desktop use
- Solves the hassle of switching between multiple browser tabs for LLM queries