Show HN Daily Selection (2025-06-10)
- Munal OS: a graphical experimental OS with WASM sandboxing
- Somo – a human friendly alternative to netstat
- Most users won't report bugs unless you make it stupidly easy
- Glowstick – type level tensor shapes in stable rust
- I made CSS-only glitch effect
- I made a 3D networked open world automation game with no game engine
- Wrist/off – launch button for your Apple Watch
- Open source API for meeting transcripts and recordings
- Mcp-hacker-news – An MCP server for accessing Hacker News data via LLMs
- Interactive Enigma Machine Simulator
- Autonomous AI Agent for e-signatures – chat/voice assistant
- SelfDB – Ditch Supabase and Firebase Lock-In, Self-Host Simply
- FlowHawk – ultra fast eBPF network security monitor with ML
- Javi: An AI-Boyfriend that understands you. It chats and sexts
- Nowa – No-signup event planning app for scheduling and bill splitting
Munal OS: a graphical experimental OS with WASM sandboxing [Developer Tools]
159 points, 61 comments
Munal OS is an experimental Rust-based unikernel OS with WASM sandboxing, featuring a graphical interface and embedded applications.
- Unikernel design compiled as a single EFI binary
- WASM-based application sandboxing instead of virtual address spaces
- Fully graphical HD interface with mouse/keyboard support
- Desktop shell with window manager and radial menus
- PCI/VirtIO drivers, Ethernet, and TCP stack
- Customizable UI toolkit with widgets and responsive layouts
- Embedded apps: basic web browser, text editor, Python terminal
Discussion Link, Original Link
Somo – a human friendly alternative to netstat [Developer Tools]
80 points, 19 comments
A human-friendly alternative to netstat for network monitoring.
- Simplified interface for easier use
- Designed to be more intuitive than traditional netstat
- Focuses on user-friendly network monitoring
Discussion Link, Original Link
Most users won't report bugs unless you make it stupidly easy [Developer Tools]
154 points, 89 comments
Bugdrop.app is a lightweight, user-friendly bug reporting tool that simplifies feedback with a draggable bug icon and no login requirements.
- Eliminates complex forms and logins for effortless bug reporting
- Allows users to drop a bug icon directly on the issue for context-rich feedback
- Automatically captures screenshots, browser info, and console logs
- Designed to be fun and intuitive, increasing user engagement
- Works well even for non-technical users
Glowstick – type level tensor shapes in stable rust [Developer Tools]
35 points, 3 comments
Glowstick enables compile-time tensor shape checking in Rust for machine learning applications.
- Uses type-directed metaprogramming to track tensor shapes in Rust's type system
- Determines permitted operations at compile time to catch shape issues early
- Supports both static and dynamic dimensions for flexibility
- Includes integration crates for ML frameworks Candle and Burn
- Provides examples implementing models like Llama 3.2 with typed shapes
Discussion Link, Original Link
I made CSS-only glitch effect [Design]
33 points, 6 comments
CSS-only glitch effect created without JavaScript.
- Pure CSS implementation
- No JavaScript required
- Glitch animation effect
Discussion Link, Original Link
I made a 3D networked open world automation game with no game engine [Entertainment]
15 points, 6 comments
Skyformer is a 3D networked open-world automation game built from scratch without a game engine.
- OpenGL for graphics, OpenAL for sound, GLFW for input
- Custom terrain/world editor with REDengine 3-inspired rendering
- Co-op networking via TCP + custom binary protocol
- Immediate mode UI framework and SDF text rendering
- Cascaded shadow mapping with soft shadows
- Weather simulation with custom physics
- Dynamic skydome and Gerstner wave-based water
- Swept-sphere collision detection and response
- Advanced rendering effects (FXAA, SSAO, Bloom, god rays, grass, soft particles)
Discussion Link, Original Link
Wrist/off – launch button for your Apple Watch [Consumer Tech]
4 points, 0 comments
An Apple Watch app that lets users create customizable launch buttons for webhooks, URLs, or HTTP requests.
- Customizable buttons (colors, labels, headers)
- Works on both Apple Watch and iPhone
- Supports webhooks, URL pings, and HTTP requests
- Launched at WWDC with notable attention
Discussion Link, Original Link
Open source API for meeting transcripts and recordings [Developer Tools]
3 points, 3 comments
Open source API for meeting transcripts and recordings.
- Provides transcriptions of meeting recordings
- Open source and customizable
- Supports recording storage and retrieval
Discussion Link, Original Link
Mcp-hacker-news – An MCP server for accessing Hacker News data via LLMs [Developer Tools]
6 points, 0 comments
An MCP server for accessing Hacker News data via LLMs, enabling integration with AI tools like Claude and Cursor.
- Bridges Hacker News API with AI-powered tools
- Fetches live HN data (posts, comments, users)
- Written in TypeScript for seamless integration
- Supports automation workflows with HN data
- Open for feedback and contributions
Discussion Link, Original Link
Interactive Enigma Machine Simulator [Education]
5 points, 0 comments
Interactive Enigma Machine Simulator
- Simulates the Enigma encryption device
- Interactive and user-friendly interface
- Educational tool for understanding historical cryptography
Discussion Link, Original Link
Autonomous AI Agent for e-signatures – chat/voice assistant [Business]
3 points, 0 comments
An autonomous AI agent that simplifies e-signature workflows through chat or voice interaction.
- Creates e-signature requests and templates via conversation, eliminating form builders
- Auto-detects fields in PDFs and suggests signers and input types based on document layout
- Identifies key parties in documents (e.g., landlord, tenant)
- Automatically follows up with signers with adjustable tone
- Tracks document status in real time within the chat interface
- Supports voice activation for hands-free workflow initiation
- Targets freelancers, startups, and small teams with pricing from $15–35/month
- Offers a 14-day free trial (credit card required)
Discussion Link, Original Link
SelfDB – Ditch Supabase and Firebase Lock-In, Self-Host Simply [Developer Tools]
5 points, 4 comments
SelfDB is a self-hosted, open-source alternative to BaaS platforms like Supabase or Firebase, offering PostgreSQL, authentication, object storage, real-time updates, and serverless functions in a single containerized package.
- Full PostgreSQL database with direct SQL access
- Secure JWT-based authentication and anonymous access
- Integrated object storage for files and media
- WebSocket-based real-time updates
- Serverless cloud functions powered by Deno 2.0
- Simple deployment via Docker with minimal setup
- Open-source with full code access and continuous updates
- Production-ready with security, logging, and monitoring built-in
Discussion Link, Original Link
FlowHawk – ultra fast eBPF network security monitor with ML [Developer Tools]
3 points, 0 comments
Ultra-fast eBPF-based network security monitor with ML-powered threat detection.
- Uses eBPF/XDP for real-time packet analysis
- Detects DDoS attacks, port scans, and botnet activity
- Written in Go with C for eBPF programs
- Includes ML anomaly detection
- Features a real-time dashboard
- Over 80% test coverage
Discussion Link, Original Link
Javi: An AI-Boyfriend that understands you. It chats and sexts [ChatBots]
3 points, 0 comments
An AI-powered virtual boyfriend that adapts to your mood and needs for companionship, listening, and intimacy.
- Mood-aware interaction based on user emotions
- Provides emotional support, humor, and flirtation
- Seamless sexting and companionship without explicit prompts
- Designed to match user's vibe dynamically
Discussion Link, Original Link
Nowa – No-signup event planning app for scheduling and bill splitting [Life Assistant]
3 points, 0 comments
Nowa is a no-signup event planning app for scheduling and bill splitting with friends or family.
- No-signup invitations via URL or QR code
- Intuitive scheduling with multiple date options and voting
- Automatic bill splitting with share calculations
- Mobile-first design built with Flutter for iOS/Android
- Free core features with a premium plan for unlimited usage