Show HN Daily Selection (2025-06-08)
- A free, fast, and modern vehicle diagnostics tool
- NanoTS – Fast, embeddable, tiny time series database
- What if code had a lifespan? A morphogenetic computing experiment
- Cpdown – Copy any webpage/YouTube subtitle as clean Markdown(LLM-ready)
- dbSurface – A Developer Tool for pgvector
- A photo backup idea – to your own storage, not iCloud/Google
A free, fast, and modern vehicle diagnostics tool [Consumer Tech]
4 points, 0 comments
Free, fast, and modern vehicle diagnostics tool.
- Free to use
- Fast performance
- Modern interface
- Vehicle diagnostics capabilities
Discussion Link, Original Link
NanoTS – Fast, embeddable, tiny time series database [Developer Tools]
4 points, 0 comments
NanoTS is a fast, embeddable, tiny time series database.
- Extremely fast performance
- Designed for embedding into applications
- Minimal footprint and resource usage
Discussion Link, Original Link
What if code had a lifespan? A morphogenetic computing experiment [Developer Tools]
4 points, 0 comments
A morphogenetic computing experiment where code behaves like a living ecosystem with self-organizing computational cells.
- Computational cells metabolize energy from their environment
- Cells reproduce with mutations and form emergent colonies
- Cells die as a feature, creating dynamic lifespans
- Entire system built with 800 lines of vanilla JS/Canvas
- No ML or complex algorithms, just simple rules creating complex behaviors
Discussion Link, Original Link
Cpdown – Copy any webpage/YouTube subtitle as clean Markdown(LLM-ready) [Developer Tools]
11 points, 1 comments
A Chrome extension that converts webpage content or YouTube subtitles into clean Markdown with token counting for LLM use.
- Intelligent Content Extraction: Uses Mozilla’s Readability or Defuddle to remove ads and noise, focusing on main content.
- Clean Markdown Conversion: Converts HTML to tidy Markdown using Turndown.
- Token Count for LLMs: Displays token count via tiktoken for LLM compatibility checks.
- YouTube Transcript Copying: Copies full transcripts in Markdown, including video title as H1 header.
- Customizable Options: Choose extractors, wrap content in code blocks, and more.
- Free and Open-Source: Built with WXT, React, and TypeScript.
Discussion Link, Original Link
dbSurface – A Developer Tool for pgvector [Developer Tools]
3 points, 1 comments
A developer tool for pgvector.
- Designed for developers
- Focused on pgvector functionality
Discussion Link, Original Link
A photo backup idea – to your own storage, not iCloud/Google [Image]
8 points, 1 comments
A privacy-focused photo backup tool that stores images on your own devices or private cloud instead of third-party services.
- Backs up photos directly to your PC, laptop, HDD, NAS, or private cloud/VPS
- Uses secure peer-to-peer technology (similar to Tailscale) for data control
- No reliance on iCloud, Google, or other third-party cloud services
- Currently in idea validation phase with a waitlist for early interest