Show HN Daily Selection (2025-08-22)
- Splice – CAD for Cable Harnesses and Electrical Assemblies
- ChartDB Cloud – Visualize and Share Database Diagrams
- Using Common Lisp from Inside the Browser
- I replaced vector databases with Git for AI memory (PoC)
- Chat with Your Wearables Data
- Claudable – OpenSource Lovable that runs locally with Claude Code
- HN – Hacker News in Your Terminal
- Rubberduck – Open Source Tool to Emulate OpenAI/Anthropic APIs Locally
- 100% Free photo to drawing converter, No signup
- A simple open-source CLI tool for generating invoices from the terminal
- Weam – open-source AI collaboration platform for teams
- Database of >2M creators and brands grouped into categories
- Mobile Use – Open-source agent that uses any mobile app like a human
- Resignation Letter：I built a website can generate resignation letter
- Infinite Tetris Grid
- Follow/Block Users on Hacker News (My First Chrome Extension)
Splice – CAD for Cable Harnesses and Electrical Assemblies [Design]
12 points, 4 comments
Splice is a lightweight in-browser CAD tool for designing cable harnesses and electrical assemblies.
- Full undo/redo functionality for easy state restoration
- Multi-select and group actions for efficient component management
- Bulk connect tool for quick wiring patterns (straight-through, crossover, custom)
- Multi-page PDF configurator for engineering drawing downloads
- WireViz YAML export for generating diagrams
- Expanded component library (connectors, cables, breakers, fuses, etc.)
- Magic MPN button to auto-fill part specifications
- No signup required for immediate use
Discussion Link, Original Link
ChartDB Cloud – Visualize and Share Database Diagrams [Developer Tools]
83 points, 12 comments
ChartDB Cloud enables teams to visualize and share database diagrams without direct database access, offering real-time collaboration and AI assistance.
- Generate ER diagrams without direct database access
- Embed diagrams into docs, dev portals, or tools like Miro/Notion
- Real-time collaboration with live cursors
- Automatic sync with database schemas
- Organize large or messy schemas easily
- Export DDL in multiple SQL dialects
- AI assistant for schema brainstorming and changes
Discussion Link, Original Link
Using Common Lisp from Inside the Browser [Developer Tools]
94 points, 24 comments
Run Common Lisp code directly in the browser.
- Enables Common Lisp execution in web environments
- No server-side processing required
- Interactive development within the browser
Discussion Link, Original Link
I replaced vector databases with Git for AI memory (PoC) [Developer Tools]
170 points, 41 comments
A proof-of-concept using Git for AI memory storage instead of vector databases, leveraging Git's version control for tracking changes in understanding.
- Uses Git repos with markdown files to store memories
- Each conversation is a commit, enabling version history
- git diff tracks evolution of understanding over time
- BM25 for search without embeddings
- LLMs generate search queries from context
- Enables time-travel with git checkout for reproducibility
- Human-readable storage with manual editing capability
- Lightweight (~100MB RAM for a year of conversations)
- Open-source (MIT licensed) with Python/GitPython stack
Discussion Link, Original Link
Chat with Your Wearables Data [Health]
4 points, 0 comments
Chat with your wearables data to gain insights and track fitness metrics.
- Interact with wearables data via chat interface
- Gain personalized fitness insights
- Track and analyze health metrics easily
Discussion Link, Original Link
Claudable – OpenSource Lovable that runs locally with Claude Code [Developer Tools]
27 points, 4 comments
An open-source alternative to Lovable that runs locally using Claude Code, eliminating extra API costs.
- Runs locally via Claude Code or Cursor CLI
- Instant UI preview similar to Lovable
- Web-optimized, production-ready designs
- Direct Git integration
- One-click Vercel deployment
- No additional API costs beyond existing Claude Pro/Cursor subscriptions
- Open-source and actively developed
Discussion Link, Original Link
HN – Hacker News in Your Terminal [Developer Tools]
3 points, 0 comments
Hacker News client for terminal access.
- Access Hacker News directly from the terminal
- Simple and lightweight interface
- No browser required
Discussion Link, Original Link
Rubberduck – Open Source Tool to Emulate OpenAI/Anthropic APIs Locally [Developer Tools]
4 points, 0 comments
Open-source tool to locally emulate OpenAI/Anthropic APIs.
- Emulates OpenAI/Anthropic APIs
- Runs locally
- Open-source
Discussion Link, Original Link
100% Free photo to drawing converter, No signup [Image]
3 points, 2 comments
Free AI tool that converts photos into drawings without requiring signup.
- No account or signup needed
- Instant photo-to-drawing conversion
- Completely free to use
Discussion Link, Original Link
A simple open-source CLI tool for generating invoices from the terminal [Business]
3 points, 1 comments
A simple open-source CLI tool for generating professional invoices from the terminal.
- Write invoices in YAML/JSON
- Export to clean PDF instantly
- No SaaS lock-in or vendor dependency
- Designed for freelancers and developers
- Minimal, scriptable, and developer-friendly
Discussion Link, Original Link
Weam – open-source AI collaboration platform for teams [Developer Tools]
5 points, 0 comments
Weam is an open-source AI collaboration platform designed to streamline team workflows by centralizing prompts, chats, and agents.
- Organizes AI resources into team folders called "Brains"
- Supports running agents and Pro Agents for workflows
- Allows bringing your own LLM keys (OpenAI, Anthropic, Gemini, etc.)
- Self-hosted for data control
- Includes RAG pipelines for document-based AI
Discussion Link, Original Link
Database of >2M creators and brands grouped into categories [Business]
3 points, 0 comments
Database of over 2 million creators and brands categorized for easy discovery.
- Contains over 2 million entries
- Organizes creators and brands into categories
- Designed for easy discovery and browsing
Discussion Link, Original Link
Mobile Use – Open-source agent that uses any mobile app like a human [Productivity]
4 points, 0 comments
Open-source agent that automates mobile app interactions like a human.
- Automates mobile app usage
- Open-source
- Mimics human interaction
Discussion Link, Original Link
Resignation Letter：I built a website can generate resignation letter [Productivity]
4 points, 0 comments
A website that generates resignation letters.
- Automatically creates resignation letters
- Simple and user-friendly interface
- No text input required from the user
Discussion Link, Original Link
Infinite Tetris Grid [Entertainment]
5 points, 2 comments
Infinite Tetris Grid allows endless scrolling in all directions for an expanded gameplay experience.
- Infinite horizontal scrolling (left and right)
- Optional infinite vertical scrolling (up and down) via ∞ button
Discussion Link, Original Link
Follow/Block Users on Hacker News (My First Chrome Extension) [Productivity]
4 points, 0 comments
A Chrome extension that allows users to follow or block other users on Hacker News.
- Enables following users to track their comments
- Allows blocking unwanted users
- First-time Chrome extension project seeking feedback