Show HN Daily Selection (2025-07-13)
- DesignArena – crowdsourced benchmark for AI-generated UI/UX
- BinaryRPC – Lightweight WebSocket-based RPC framework in modern C++
- An educational Local Qwen3 LLM Inference project written in Rust
- Train Block Diffusion Models on Consumer Hardware (RTX 4090) in Hours
- Microsoft official MCP for documentation and more
- Reviving a 20 year old OS X App
- Manage your small business with this simple ERP
- Transition – AI Triathlon Coach
- VibeKin – Gated Discord Tribes via Personality Matching
DesignArena – crowdsourced benchmark for AI-generated UI/UX [Design]
59 points, 17 comments
A crowdsourced benchmark platform for comparing AI-generated UI/UX designs.
- Users vote on anonymous AI-generated designs to determine the best model.
- Leaderboard tracks top-performing AI models based on user preferences.
- Quick iteration feature allows regenerating results without locking in choices.
- Highlights performance variance across different design categories (e.g., game dev).
- Supports testing and comparing models like DeepSeek and Grok.
Discussion Link, Original Link
BinaryRPC – Lightweight WebSocket-based RPC framework in modern C++ [Developer Tools]
64 points, 28 comments
BinaryRPC is a lightweight, open-source RPC framework in modern C++20 focused on low-latency, binary WebSocket messaging.
- Uses binary WebSocket frames for minimal overhead
- Includes built-in session layer (login/reconnect/heartbeat)
- Supports QoS1/QoS2 with automatic ACK & retry
- Features a plugin system for easy extensibility (e.g., rooms, msgpack)
- Thread-safe core with RAII and folly
- Designed for easy developer experience with simple middleware chains
Discussion Link, Original Link
An educational Local Qwen3 LLM Inference project written in Rust [Education]
5 points, 1 comments
Educational Rust-based project for local Qwen3 LLM inference.
- Written in Rust
- Focuses on local inference of Qwen3 LLM
- Educational purpose
Discussion Link, Original Link
Train Block Diffusion Models on Consumer Hardware (RTX 4090) in Hours [Developer Tools]
4 points, 0 comments
Train Block Diffusion Models on consumer hardware (RTX 4090) in hours.
- Enables training diffusion models on consumer-grade GPUs
- Optimized for RTX 4090 for faster training
- Reduces training time to just hours
Discussion Link, Original Link
Microsoft official MCP for documentation and more [Education]
8 points, 2 comments
Microsoft's official MCP for documentation and other resources.
- Official Microsoft certification program
- Focus on documentation and resources
Discussion Link, Original Link
Reviving a 20 year old OS X App [Developer Tools]
3 points, 0 comments
Reviving a 20-year-old OS X app.
- Modernizes a legacy OS X application
- Preserves functionality while updating compatibility
- Demonstrates backward engineering or code adaptation
Discussion Link, Original Link
Manage your small business with this simple ERP [Business]
3 points, 1 comments
Manage your small business with this simple ERP.
- Simple ERP solution
- Designed for small businesses
- Easy to use
Discussion Link, Original Link
Transition – AI Triathlon Coach [Health]
3 points, 0 comments
An AI-powered triathlon coaching app that creates adaptive training plans based on user goals, schedule, and workout data.
- Generates personalized, dynamic training plans that adjust weekly
- Integrates with fitness trackers like Garmin and Strava
- Adapts to missed sessions, progress, and schedule changes
- Designed for athletes with unpredictable schedules
- Currently in free beta for user feedback
Discussion Link, Original Link
VibeKin – Gated Discord Tribes via Personality Matching [ChatBots]
3 points, 0 comments
VibeKin matches users to exclusive Discord communities using a personality quiz and fuzzy-clustering algorithm.
- Uses a 25-question personality quiz inspired by HEXACO
- Implements a "harmony genome" for gating access
- Focuses on tight-knit tribes like wellness or creative niches
- Aims to create curated communities similar to Reddit
- Seeks feedback on algorithm, niches, and scaling