Show HN Daily Selection (2025-05-20)
- Claude Code in the Cloud
- Windows 98 themed website in 1 HTML file for my post punk band
- A native Hacker News reader with integrated todo/done tracking
- Goboscript, text-based programming language, compiles to Scratch
- I enhanced Soundex to correctly handle multi-word strings
- Vibe coding from your phone
- Visualization of job openings by US based employers
- A highly extensible framework for building OCR systems
- Job board aggregator for best paying remote SWE jobs in the U.S.
- Mirror World, create an AI clone of anyone
- Jar.tools – View, Change, Decompile Java Jar Files
- RAG chatbot using Qwen3 with custom thinking UI
- I Built a Prompt That Makes LLMs Think Like Heinlein's Fair Witness
- Open-Source AlphaEvolve Clone Using GPT-4.1 and Genetic Programming
- MCP Server for Document Processing via Natural Language
- Adiem – Real-Time Haptic Feedback for Social Anxiety (Apple Watch)
- Llm.fm – an AI-generated, satirical radio show in the browser
- What Would Paul Graham Write? An experiment in personality extension
- Ziit – Open source wakatime alternative
- Find startup founders near you
- Open-source dashboard for your domain experts to improve your AI Agents
- Sherlog Canvas – AI powered notebooks for debugging incidents
- Berlin Swapfest #2 – Electronics flea market (July 20th, 2025)
- Datetime.app – open-source alternative to time.is
Claude Code in the Cloud [Developer Tools]
19 points, 1 comments
Claude Code in the Cloud is a cloud-based coding environment.
- Cloud-based coding environment
- Supports Claude Code
Discussion Link, Original Link
Windows 98 themed website in 1 HTML file for my post punk band [Design]
151 points, 31 comments
A Windows 98-themed website in a single HTML file for a post-punk band.
- Nostalgic Windows 98 UI design
- Entire website in one HTML file
- Open-source code on GitHub
- Created for a post-punk band's online presence
Discussion Link, Original Link
A native Hacker News reader with integrated todo/done tracking [Productivity]
18 points, 12 comments
A native Hacker News reader with integrated todo/done tracking, built with Rust and egui.
- Integrated todo/done tracking for managing reading progress
- Search functionality by keyword, domain, or author
- Supports all HN sections (hot, new, show, ask, jobs, best)
- Threaded comments for better readability
- Dark/light mode and keyboard shortcuts for efficiency
- Auto-loading and color-coded stories by score
- Native app with offline support and local caching
- Built with Rust, egui, and SQLite for performance
Discussion Link, Original Link
Goboscript, text-based programming language, compiles to Scratch [Developer Tools]
150 points, 55 comments
A text-based programming language that compiles to Scratch projects, enabling advanced development workflows and optimizations.
- Compiles to Scratch .sb3 files, compatible with Scratch editor and TurboWarp
- Enables version control (e.g., git), refactoring, and code reuse via text editing
- Supports external tooling for assets like costumes and images
- Features a powerful macro system similar to Rust for code generation
- Includes additional enhancements like local variables in procedures
- Performs optimizations, detects issues, and flags unused code
Discussion Link, Original Link
I enhanced Soundex to correctly handle multi-word strings [Developer Tools]
4 points, 0 comments
Flookup Data Wrangler is a Google Sheets add-on that enhances Soundex to handle multi-word string comparisons for advanced data cleaning.
- Modified Soundex algorithm to support multi-word and reordered strings
- Enables fuzzy matching, merging, and duplicate detection
- Extracts unique values based on phonetic similarity
- Minimal performance overhead
- No-code solution for data cleaning in Google Sheets
Vibe coding from your phone [Developer Tools]
4 points, 0 comments
A mobile app that allows coding via Claude Code from your phone.
- Built during a hackathon
- Desktop app exposes Claude Code interface
- Enables coding on mobile devices
Discussion Link, Original Link
Visualization of job openings by US based employers [Business]
5 points, 0 comments
Visualization of US job openings using d3, with data from 100k listings categorized by k-means and GPT.
- Uses d3 for interactive visualization
- Analyzes 100k job openings
- Employs k-means clustering for categorization
- Leverages GPT for data processing
Discussion Link, Original Link
A highly extensible framework for building OCR systems [Developer Tools]
11 points, 0 comments
A highly extensible framework for building and deploying custom OCR solutions.
- Designed as a developer-friendly tool for creating OCR systems
- Focuses on extensibility to adapt to various use cases
- Simplifies deployment of custom OCR solutions
Discussion Link, Original Link
Job board aggregator for best paying remote SWE jobs in the U.S. [Business]
174 points, 118 comments
A centralized job board aggregator for high-paying remote software engineering jobs in the U.S., updated daily.
- Automatically pulls latest job postings from 14 companies via daily cron job
- Shows which companies are actively hiring (e.g., Coinbase has the most openings)
- Filters by years of experience or specific companies
- Displays estimated salary and posting date for each job
Discussion Link, Original Link
Mirror World, create an AI clone of anyone [Consumer Tech]
18 points, 3 comments
Create an AI clone of anyone using publicly available data in 30 seconds for free.
- Simulates any person using their public data
- Fast setup (30 seconds)
- Free to use
Discussion Link, Original Link
Jar.tools – View, Change, Decompile Java Jar Files [Developer Tools]
7 points, 0 comments
View, edit, and decompile Java JAR files online without installation.
- Browser-based tool for Java JAR files
- No installation required
- Supports viewing, editing, and decompiling
- Simple and easy to use
Discussion Link, Original Link
RAG chatbot using Qwen3 with custom thinking UI [ChatBots]
3 points, 2 comments
A RAG chatbot built with Qwen3 and LlamaIndex featuring a custom UI to display the model's internal reasoning process.
- Uses Qwen3-235B-A22B model for enhanced coding, math, and reasoning tasks
- Implements Retrieval-Augmented Generation (RAG) via LlamaIndex framework
- Modular design allows easy swapping of components like models or vector stores
- Custom Streamlit UI visualizes input, output, and internal "thinking" process
- Handles
<think>tags to transparently display model reasoning - Open-source code available on GitHub with a demo walkthrough on YouTube
I Built a Prompt That Makes LLMs Think Like Heinlein's Fair Witness [Text]
7 points, 6 comments
A prompt designed to make LLMs think like Heinlein's Fair Witness.
- Encourages objective, neutral responses
- Inspired by Heinlein's concept of unbiased observation
- Aims to reduce subjective bias in LLM outputs
Discussion Link, Original Link
Open-Source AlphaEvolve Clone Using GPT-4.1 and Genetic Programming [Developer Tools]
13 points, 0 comments
An open-source project that clones AlphaEvolve using GPT-4.1 and genetic programming to evolve optimized matrix multiplication implementations.
- Uses GPT-4.1 for code mutation with hand-crafted strategies (loop reordering, tiling, Strassen, etc.)
- Evaluates candidates on speed and accuracy, applying Pareto selection with crowding distance
- Enforces primitive-only implementations to prevent LLM reward hacks
- Successfully evolves fast, correct implementations from a naive baseline
- Open-source code available for experimentation and improvement
MCP Server for Document Processing via Natural Language [Productivity]
6 points, 0 comments
MCP Server enables document processing workflows (redacting, merging, signing, etc.) via natural language commands.
- Built on Model Context Protocol (MCP) for document workflows
- Supports operations like redacting, merging, signing, converting formats, and data extraction
- Designed for Claude Desktop on macOS but adaptable to other MCP clients
- Currently relies on file system support due to lack of client-to-server resource handling
- Open-source with GitHub and NPM packages available
Discussion Link, Original Link
Adiem – Real-Time Haptic Feedback for Social Anxiety (Apple Watch) [Health]
3 points, 1 comments
Adiem is an Apple Watch app providing real-time haptic feedback to help manage social anxiety, ADHD, or overstimulation using heart rhythm data.
- Uses real-time heart rhythm data and adaptive haptics
- Works on-device with HealthKit for personalized feedback
- Screen-free sessions start directly from the Watch
- Currently onboarding early users and therapists for feedback
Discussion Link, Original Link
Llm.fm – an AI-generated, satirical radio show in the browser [Entertainment]
5 points, 0 comments
AI-generated satirical radio show inspired by GTA, with daily episodes featuring AI-created content.
- Entirely AI-generated content, including topics, songs, and ads
- Uses GPT-4.1 for show coherence and segment outlines
- ElevenLabs for voice synthesis and live transcripts
- Pre-generated Suno songs based on ChatGPT prompts
- Built with Next.js, Vercel, and Railway for web hosting and show generation
- Free daily episodes released at 8 AM, 12 PM, and 4 PM ET
Discussion Link, Original Link
What Would Paul Graham Write? An experiment in personality extension [Text]
9 points, 3 comments
An experiment in extending Paul Graham's personality and writing style using AI to generate new essays based on his existing work.
- Generates essays from just a title using Paul Graham's essays as reference material
- Uses RAG search to emphasize relevant parts of his work for the AI generator
- Employs Gemini 2.5 flash preview with a large context window for style replication
- Collects user ratings and comments on generated essays
- All generated essay data is freely available for research
- Open-source implementation with Python, Groq, Cloudflare, and Nuxt3
Discussion Link, Original Link
Ziit – Open source wakatime alternative [Developer Tools]
3 points, 0 comments
Ziit is an open-source, self-hostable alternative to WakaTime with a focus on clean UI/UX and data control.
- Self-hostable for full data control
- Minimal and clean UI/UX inspired by Plausible Analytics
- Currently supports VS Code, with JetBrains and Zed extensions in progress
- Public instance available at ziit.app
Discussion Link, Original Link
Find startup founders near you [Business]
3 points, 2 comments
A platform to discover and connect with nearby startup founders.
- Lists 43 founders and growing as more submit their startups
- Goal to reach 100 founders
- Built with HTML, CSS, and JavaScript
Discussion Link, Original Link
Open-source dashboard for your domain experts to improve your AI Agents [Developer Tools]
4 points, 0 comments
EvalKit is an open-source library and UI that enables domain experts to evaluate and improve AI agents by providing feedback on agent actions.
- Captures agent actions and routes feedback requests to domain experts
- Focuses on domain expert usability for improving agent accuracy
- Automatically applies expert feedback to agents
- Self-hostable with MIT license, paid cloud version planned
- Early-stage project seeking community feedback and contributions
Discussion Link, Original Link
Sherlog Canvas – AI powered notebooks for debugging incidents [Developer Tools]
3 points, 0 comments
Sherlog Canvas is an AI-powered notebook for debugging incidents, consolidating logs, metrics, SQL queries, and code snippets in one interface.
- Supports log uploads and connections to Docker/Kubernetes
- Runs SQL queries and executes code snippets
- Links GitHub Issues and other ticket trackers
- AI-assisted summaries and root-cause suggestions
- Local execution via Docker, open-sourced
- Future roadmap includes Datadog, Prometheus, and mobile log support
- Collaborative real-time canvases planned for team investigations
Discussion Link, Original Link
Berlin Swapfest #2 – Electronics flea market (July 20th, 2025) [Consumer Tech]
6 points, 0 comments
Berlin Swapfest #2 is an electronics flea market event returning on July 20th, 2025, at c-base in Berlin.
- Second edition after a successful first event
- Held at c-base in Berlin
- Features electronics flea market
- Additional details available on the event site
- Bluesky account set up for updates
Discussion Link, Original Link
Datetime.app – open-source alternative to time.is [Productivity]
3 points, 5 comments
Open-source alternative to time.is with a sleek design and AI-powered features.
- Sleek, minimalist design
- AI-powered feature implementation
- Open-source and lightweight