Show HN Daily Selection (2025-08-10)
- The current sky at your approximate location, as a CSS gradient
- I made a Ruby on Rails-like framework in PHP (Still in progress)
- Event Sourcing and AI
- AI feedback on system design diagrams
- Keywords for Self-Talk
- I made a safe anonymous message app
The current sky at your approximate location, as a CSS gradient [Design]
527 points, 111 comments
A web service that displays the current sky at your location as a CSS gradient, simulating colors using atmospheric data without client-side JavaScript.
- Simulates sky colors using atmospheric absorption and scattering coefficients
- Updates every minute
- No client-side JavaScript required
- Open-source with code available on GitHub
Discussion Link, Original Link
I made a Ruby on Rails-like framework in PHP (Still in progress) [Developer Tools]
3 points, 2 comments
A Ruby on Rails-like framework built in PHP, currently in development.
- Inspired by Ruby on Rails architecture
- Built using PHP native functions
- Focus on performance optimization
- Open to community feedback and improvements
Discussion Link, Original Link
Event Sourcing and AI [Developer Tools]
3 points, 1 comments
Event Sourcing and AI integration.
- Combines event sourcing with AI capabilities
- Potential for enhanced data processing and insights
Discussion Link, Original Link
AI feedback on system design diagrams [Developer Tools]
3 points, 5 comments
AI-powered tool for practicing system design interviews with real-time feedback.
- Provides a whiteboard for users to create system design diagrams
- Uses AI (Gemini) to assess submissions against problem-specific criteria
- No paywall, login, or email required
- Free to use (currently on Gemini's free tier)
- Potential for open-sourcing if the project doesn't gain traction
Discussion Link, Original Link
Keywords for Self-Talk [Life Assistant]
3 points, 3 comments
Keywords for Self-Talk
- Tool for self-reflection
- Uses keywords to guide internal dialogue
Discussion Link, Original Link
I made a safe anonymous message app [ChatBots]
3 points, 4 comments
Subrosa is an anonymous messaging platform with AI-powered moderation to filter out toxicity while allowing honest feedback.
- Users receive a unique link for others to send anonymous messages.
- AI moderation blocks hate speech, abuse, and spam automatically.
- Messages are displayed on a personal dashboard for the recipient.
- Currently in alpha with a focus on core functionality testing.
- Encourages raw, honest communication in a safe environment.