Show HN Daily Selection (2025-08-25)
- Sping – A HTTP/TCP Latency Tool That's Easy on the Eye
- Clearcam – Add AI object detection to your IP CCTV cameras
- I Built a XSLT Blog Framework
- Bicyclopedia
- Port Kill – A lightweight macOS status bar development port monitor
- Komposer, AI image editor where the LLM writes the prompts
- I built Mix – an opensource, local agent for multimodal tasks
- Publish Markdown – A tool to publish Markdown file in one click
- A "Catalog of Catalogs" for Unified Metadata
- brew-cleaner – CLI to bulk uninstall Homebrew formulae and free space
- Run AI models directly in the browser – no server or internet required
- LoadGQL – a CLI for load-testing GraphQL endpoints
- I built aibanner.co to stop spending hours on marketing banners
Sping – A HTTP/TCP Latency Tool That's Easy on the Eye [Developer Tools]
5 points, 1 comments
A visually appealing HTTP/TCP latency diagnostic tool designed for easy installation and effective communication.
- Easy installation via pip (available on PyPi as service-ping-sping)
- Generates compelling visualizations for diagnosing latency issues
- Focuses on layer 4+ protocols (TCP/HTTP/HTTPS)
- Useful for troubleshooting and team collaboration
Discussion Link, Original Link
Clearcam – Add AI object detection to your IP CCTV cameras [Consumer Tech]
158 points, 43 comments
AI-powered object detection for IP CCTV cameras with local processing and optional notifications.
- Uses YOLOv8 + bytetrack with Tinygrad for object detection
- Detections saved and can be sent to iOS app with notifications
- All video processing done locally
- Footage encrypted before leaving the device
- Compatible with Apple Silicon and various hardware
- Optional notification and video sending
Discussion Link, Original Link
I Built a XSLT Blog Framework [Developer Tools]
11 points, 1 comments
A lightweight blog framework built using XSLT for simple, elegant content management.
- Uses XSLT to transform XML-based posts into HTML
- Minimal setup: just add HTML posts with XML headers/footers and update posts.xml
- Posts.xml serves as both content source and RSS feed
- No complex build system required for updates
- Designed for simplicity and ease of use
Discussion Link, Original Link
Bicyclopedia [Education]
100 points, 36 comments
A beginner-friendly encyclopedia for bike enthusiasts created by a software engineer working at a bike shop.
- Targeted at beginners with basic bike knowledge
- Personal project to share learned bike information
- Feedback welcome for accuracy and improvements
Discussion Link, Original Link
Port Kill – A lightweight macOS status bar development port monitor [Developer Tools]
103 points, 41 comments
Port Kill is a lightweight macOS status bar tool for monitoring development ports.
- Lightweight macOS status bar application
- Monitors development ports
- Simple and easy to use
Discussion Link, Original Link
Komposer, AI image editor where the LLM writes the prompts [Image]
3 points, 0 comments
AI-powered image editor where LLM generates prompts for editing.
- Uses Flux Kontext and Mistral for AI processing
- Upload an image and AI handles the editing
- Automates prompt generation for image modifications
Discussion Link, Original Link
I built Mix – an opensource, local agent for multimodal tasks [Developer Tools]
3 points, 6 comments
Mix is an open-source, local agent for multimodal tasks, offering a familiar experience for Claude Code users.
- Uses ffmpeg and local apps like Blender instead of cloud-based editors
- Stores project data as plain text and native media files with no vendor lock-in
- Backend is an HTTP server, enabling multiple frontend clients
- SDK with stdio interface (similar to Claude Code SDK) launching soon
Discussion Link, Original Link
Publish Markdown – A tool to publish Markdown file in one click [Productivity]
6 points, 3 comments
A tool to publish Markdown files online with one click.
- Publishes Markdown files instantly
- No complex setup required
- Potential future features: styling, custom URLs, password protection
Discussion Link, Original Link
A "Catalog of Catalogs" for Unified Metadata [Developer Tools]
4 points, 0 comments
Apache Gravitino is an open-source "catalog of catalogs" that unifies metadata governance across diverse data systems without replacing existing infrastructure.
- Provides unified metadata governance without requiring stack replacement
- Enables federated access to SQL, NoSQL, lakehouses, and ML/AI systems
- Offers a lightweight, extensible platform for contributions and customization
Discussion Link, Original Link
brew-cleaner – CLI to bulk uninstall Homebrew formulae and free space [Developer Tools]
7 points, 0 comments
Brew-cleaner is a CLI tool for bulk uninstalling Homebrew formulae to free up space.
- Bulk uninstall Homebrew formulae
- Free up disk space
- Command-line interface for easy use
Discussion Link, Original Link
Run AI models directly in the browser – no server or internet required [Developer Tools]
9 points, 4 comments
Run AI models directly in the browser with no server or internet required.
- Browser-based AI model execution
- No server dependency
- Offline functionality
Discussion Link, Original Link
LoadGQL – a CLI for load-testing GraphQL endpoints [Developer Tools]
4 points, 0 comments
A CLI tool for load-testing GraphQL endpoints with minimal setup.
- Runs queries against any GraphQL endpoint without schema parsing
- Reports median, p95 latency, throughput (RPS), and error rate
- Supports concurrency, duration, and custom headers
- Terminal-first design with minimal dependencies
- Planned features: p50/p99 latency, JSON/CSV output, multiple query files
Discussion Link, Original Link
I built aibanner.co to stop spending hours on marketing banners [Marketing]
3 points, 2 comments
AI-powered tool for quickly creating marketing banners.
- Automates banner creation to save time
- Designed for marketing and promotional use
- Simplifies the design process with AI assistance