Show HN Daily Selection (2025-04-07)
- I built a Rust crate for running unsafe code safely
- A fast, minimal and offline-friendly web playground
- Latitude.sh Databases – Simple PostgreSQL DBaaS on Bare Metal
- Spend Elon Musk's fortune on AirPods, NFL teams, etc as fast as you can
- I have built my first AI notetaker. Any feedback?
- Morphik – Open-source MCP server for technical document search
- I also built a word game. My mom is indifferent, but I think its ccool
I built a Rust crate for running unsafe code safely [Developer Tools]
94 points, 51 comments
A Rust crate for running unsafe code safely.
- Enables safe execution of unsafe Rust code
- Designed to minimize risks associated with unsafe operations
- Provides a controlled environment for unsafe code blocks
Discussion Link, Original Link
A fast, minimal and offline-friendly web playground [Developer Tools]
5 points, 0 comments
A fast, minimal, and offline-friendly web playground for HTML/CSS/JS coding with instant feedback and no login required.
- Live Preview: Edit HTML, CSS, and JS side-by-side with instant feedback.
- Offline Support: Works without internet and can be installed as a PWA.
- No Login Required: Start coding immediately; login only for saving/sharing.
- Savable & Shareable Links: Store scripts in the cloud and generate shareable links.
- Customizable Editor: Themes, fonts, auto-format, layout tweaks, and line wrapping.
- Hotkey Support: Power user shortcuts with tooltips for keybinds.
- Download as ZIP: Export projects with separated HTML/CSS/JS files.
Discussion Link, Original Link
Latitude.sh Databases – Simple PostgreSQL DBaaS on Bare Metal [Developer Tools]
3 points, 0 comments
Latitude.sh Databases offers a simple, competitively priced managed PostgreSQL service on bare metal with built-in monitoring and automated backups.
- Runs on global bare metal infrastructure for performance
- Built-in monitoring & connection pooling
- IP Address Whitelisting (Trusted Sources)
- Automated backups to your own S3 bucket
- Optional Supabase integration for enhanced usability
- Kubernetes-based with CloudNativePG operator
- Competitive pricing model
Discussion Link, Original Link
Spend Elon Musk's fortune on AirPods, NFL teams, etc as fast as you can [Entertainment]
3 points, 2 comments
Spend Elon Musk's fortune virtually on various items like AirPods and NFL teams.
- Interactive spending simulation
- Fast-paced virtual spending experience
- Wide range of high-value items to choose from
Discussion Link, Original Link
I have built my first AI notetaker. Any feedback? [Productivity]
3 points, 3 comments
MindNote is an AI-powered notetaker that helps users modify and complete their notes using AI prompts, with future plans for brain-to-text technology.
- AI-powered note modification and completion
- Free 3-day trial available
- Future goal: capturing thoughts via brain-to-text
- Includes video tutorial for guidance
Morphik – Open-source MCP server for technical document search [Developer Tools]
4 points, 2 comments
Morphik MCP is an open-source server for unified technical document search across multiple formats.
- Multimodal search across text, diagrams, and videos
- Natural language knowledge base management
- Open-source with responsive support
- Returns images and diagrams directly to the client
- Used for diverse applications like blood tests and patents
Discussion Link, Original Link
I also built a word game. My mom is indifferent, but I think its ccool [Entertainment]
7 points, 0 comments
A word game created by the author, who finds it cool despite their mom's indifference.
- Word-based gameplay
- Personal project shared on Hacker News
- Creator's enthusiasm contrasts with family's reaction