Show HN Daily Selection (2025-07-10)
- FlopperZiro – A DIY open-source Flipper Zero clone
- MCP server for searching and downloading documents from Anna's Archive
- Petrichor – a free, open-source, offline music player for macOS
- I rewrote an outdated React Native map clustering library
- Pyhoff – Connect Python ML Models to Beckhoff/WAGO IO Hardware
- Todo2 – AI Project Manager Inside Cursor
- Stravu – Editable, multi-player AI notebooks with text, tables, diagram
- Snub – A fast, lightweight file search CLI for Windows (written in C)
- Multi-session Claude Code manager with async workflow
- Piplo helps you stay in touch with the people who matter
- A Truth Table Generator Written in Common Lisp
- Cool Symbols
- I built "Schnippi", my dream screenshot Chrome extension
FlopperZiro – A DIY open-source Flipper Zero clone [Consumer Tech]
156 points, 44 comments
FlopperZiro is a DIY open-source clone of the Flipper Zero device.
- Open-source
- DIY project
- Flipper Zero clone
Discussion Link, Original Link
MCP server for searching and downloading documents from Anna's Archive [Education]
38 points, 22 comments
An MCP server enabling search and download of books from Anna's Archive directly in Claude Desktop.
- Searches Anna's Archive by keywords
- Downloads books from search results
- Integrates with Claude Desktop via MCP
- Open-source with transparent GitHub Actions builds
Discussion Link, Original Link
Petrichor – a free, open-source, offline music player for macOS [Audio]
5 points, 0 comments
A free, open-source, offline music player for macOS designed for managing large local music collections.
- Organizes and browses music libraries with folder mapping and structured views
- Supports playlist creation and interactive queue management
- Offers quick navigation (right-click to jump to album, artist, etc.) and sidebar pinning
- Native macOS integration (menubar/dock controls, dark mode)
- Fast search for large libraries
- Open-source and actively developed (alpha stage)
Discussion Link, Original Link
I rewrote an outdated React Native map clustering library [Developer Tools]
30 points, 7 comments
A modern, fully-typed React Native map clustering library designed to replace outdated alternatives.
- Modern & Maintained: Built with a modern toolchain for long-term support
- Fully-Typed: Written in TypeScript for better error prevention and autocompletion
- High-Performance: Uses supercluster for fast geospatial clustering
- Spiderfier: Automatically spreads overlapping markers at max zoom for individual tapping
- Customizable: Supports custom cluster components and press event handlers
Discussion Link, Original Link
Pyhoff – Connect Python ML Models to Beckhoff/WAGO IO Hardware [Developer Tools]
7 points, 0 comments
Pyhoff connects Python ML models to Beckhoff/WAGO industrial I/O hardware, bypassing traditional PLC toolchains for faster prototyping.
- Enables direct hardware control via Python without proprietary PLC tools
- Uses ModBus/TCP for communication, doubling as a ModBus/TCP client library
- Lightweight, dependency-free, and MIT licensed
- Fully type-annotated for better code clarity
- Ideal for prototyping and relaxed-timing applications, not ms-cycle loops
Discussion Link, Original Link
Todo2 – AI Project Manager Inside Cursor [Productivity]
3 points, 0 comments
AI-powered project management extension for Cursor AI editor that integrates task planning and research without leaving the IDE.
- Creates todos via simple prompts
- Auto-researches latest best practices
- Seamlessly integrates with Cursor AI editor
- Free with 14-day trial
Discussion Link, Original Link
Stravu – Editable, multi-player AI notebooks with text, tables, diagram [Productivity]
6 points, 0 comments
Stravu is an editable, multi-player AI notebook platform that integrates text, tables, and diagrams for collaborative work.
- Editable AI output allows direct modification of AI-generated content
- Red/Green diffs highlight and approve AI changes
- Unified workspace for text, tables, diagrams, and more
- Multi-player collaboration for team-based AI interactions
- Supports use cases like research, planning, and market analysis
Snub – A fast, lightweight file search CLI for Windows (written in C) [Developer Tools]
5 points, 7 comments
A fast, lightweight recursive file search tool for Windows written in modern C (C17).
- Fully multithreaded
- Avoids indexing entirely
- Supports globbing, size/date filters, result limiting, and JSON output
- Packaged as a single small executable with no dependencies
Discussion Link, Original Link
Multi-session Claude Code manager with async workflow [Developer Tools]
3 points, 0 comments
Multi-session Claude Code manager supporting async workflows.
- Manages multiple coding sessions simultaneously
- Supports asynchronous workflow integration
- Designed for Claude Code environment
Discussion Link, Original Link
Piplo helps you stay in touch with the people who matter [Life Assistant]
3 points, 0 comments
Piplo is an iOS app designed to help users maintain meaningful relationships through smart reminders and flexible scheduling.
- Smart reminders to stay in touch
- Flexible scheduling for relationship management
- Simple, intuitive design
- 100% free with no ads or in-app purchases
- Optional donation link to Doctors Without Borders
Discussion Link, Original Link
A Truth Table Generator Written in Common Lisp [Developer Tools]
16 points, 0 comments
A Common Lisp-based tool for generating truth tables.
- Generates truth tables for logical expressions
- Written in Common Lisp
- Simple and efficient implementation
Discussion Link, Original Link
Cool Symbols [Design]
4 points, 0 comments
Cool Symbols offers a collection of unique symbols for various uses.
- Collection of unique symbols
- Easy to use
- No additional text provided
Discussion Link, Original Link
I built "Schnippi", my dream screenshot Chrome extension [Productivity]
3 points, 0 comments
Schnippi is a fast, privacy-focused Chrome screenshot extension with flexible capture options and source URL inclusion.
- Optimized for speed with minimal clicks/key presses
- Flexible capture (HTML elements, free-form, full viewport)
- Includes source URL in exports
- Multiple export formats (clipboard/download)
- Works with zoomed-in pages
- No data collection or server uploads
- Clean, minimal UI
- Future plans for annotation tools