Show HN Daily Selection (2025-05-02)
- Kubetail – Real-time log search for Kubernetes
- Roons – Mechanical Computer Kit
- Hyperparam: OSS tools for exploring datasets locally in the browser
- Robot Unlock – an open-ended programming game/zachlike
- HN top 30 summarized by Gemini 2.5 Pro
- Convert Large CSV/XLSX to JSON or XML in Browser
- Sriracha Imageboard and Forum
- Lichen – Manage and create code licenses on the CLI and with TOML
- Tgfeed – convert public Telegram channels into RSS or Atom feeds
- I made an AI that generates SVG logos
- Anyone.com – Fixing the broken real estate transaction workflow
- An AI tool that generates celebrity voices with matching lip sync
- I Cut GitHub Notification Noise by over 90% Using Gmail Filters
- Building code agents? Try code embedding models FAST and do it better
- Turn Your GitHub or Gitlab Repo into an AI Wiki (Open Source)
- Minimal News eye relaxed Hacker News front end
- Got laid off. Got sick of ghost jobs. Built something
- Tinysums, HN thread and story summaries that don't suck
Kubetail – Real-time log search for Kubernetes [Developer Tools]
48 points, 13 comments
Kubetail is a real-time log search and monitoring tool for Kubernetes, offering merged logs across containers with search capabilities.
- Merges logs from multiple containers into a single chronological timeline
- Enables real-time log search using a custom Rust-powered agent
- Supports both web dashboard and CLI usage
- CLI allows log following, fetching, and filtering by time range
- Deploys as a DaemonSet for node-level log scanning
- Integrates with ripgrep for efficient log searching
Discussion Link, Original Link
Roons – Mechanical Computer Kit [Education]
132 points, 24 comments
A mechanical computer kit using marbles and contoured tiles to create compact, practical logic gates like binary adders.
- Cellular automaton on a "loom" of alternating bars
- Compact design (e.g., binary adder fits in 3cm square)
- Includes interactive tutorials, demo videos, and a simulator
- Prototype kits available for testing
- Two years of development with multiple iterations
Discussion Link, Original Link
Hyperparam: OSS tools for exploring datasets locally in the browser [Developer Tools]
53 points, 19 comments
Hyperparam is a collection of open-source, dependency-free libraries for exploring datasets locally in the browser.
- Hyparquet: Read Parquet files in browser/node.js
- Icebird: Explore Iceberg tables without Spark/Presto
- HighTable: Virtual scrolling for millions of rows
- Hyparquet-Writer: Export Parquet files from JavaScript
- Hyllama: Efficiently read llama.cpp .gguf LLM metadata
- CLI support for viewing local files
- No cloud uploads or backend servers required
Discussion Link, Original Link
Robot Unlock – an open-ended programming game/zachlike [Entertainment]
24 points, 10 comments
A sequel to a 2010 open-ended programming game inspired by Befunge and Brainf*ck, designed for optimization enthusiasts.
- Open-ended programming gameplay with quirky languages
- Inspired by Zachtronics-style puzzle-solving
- Focuses on extreme optimization constraints
- Appeals to hardcore programming and puzzle fans
- Available on Steam as an indie title
Discussion Link, Original Link
HN top 30 summarized by Gemini 2.5 Pro [Productivity]
3 points, 7 comments
A tool that summarizes Hacker News' top 30 stories and comments hourly using Gemini 2.5 Pro.
- Summarizes both stories and comment sections
- Uses Gemini 2.5 Pro for readable and coherent output
- Demonstrates strong instruction-following and long-session performance
- Compares favorably to Claude 3.7 Sonnet for coding tasks
Discussion Link, Original Link
Convert Large CSV/XLSX to JSON or XML in Browser [Developer Tools]
37 points, 12 comments
A browser-based tool for converting large CSV/XLSX files to JSON or XML with client-side processing.
- Runs entirely in the browser with no server-side processing
- Handles files of any size, including massive datasets (e.g., 10GB+)
- Auto-detects delimiters, encodings, and data types
- Includes live preview with column renaming, search/replace, and data cleanup
- Exports clean, structured JSON or XML for APIs or databases
Discussion Link, Original Link
Sriracha Imageboard and Forum [Image]
3 points, 0 comments
A Go-based platform for hosting customizable imageboards and forums with plugin support and templating.
- Read-only demo available for preview
- Full support for custom .gohtml templating
- Plugin system for extensibility without modifying core code
- Includes standard templates with override capability
Discussion Link, Original Link
Lichen – Manage and create code licenses on the CLI and with TOML [Developer Tools]
4 points, 2 comments
A CLI tool for generating and managing code licenses using TOML configuration and SPDX licenses.
- Generates licenses quickly via CLI commands like
lic gen MIT - Supports configuration via
.lichen.tomlin project root - Allows adding authors, dates, and excluding specific parts
- Supports dual licensing and license headers for files
- Written in Rust for performance and reliability
- Uses SPDX licenses for accuracy
- Fast processing (e.g., adds headers to entire Cargo project in 22s)
Discussion Link, Original Link
Tgfeed – convert public Telegram channels into RSS or Atom feeds [Developer Tools]
3 points, 0 comments
Convert public Telegram channels into RSS or Atom feeds for ad-free reading in your RSS reader.
- Converts Telegram channels to RSS/Atom feeds
- Enables ad-free reading in RSS readers like Miniflux
- Can be self-hosted on a home server
- Includes a Solarized Light theme for Miniflux
Discussion Link, Original Link
I made an AI that generates SVG logos [Design]
5 points, 2 comments
AI-generated SVG logos
- Creates scalable vector graphics (SVG) logos
- Uses AI to automate logo design
- No additional text or context provided
Discussion Link, Original Link
Anyone.com – Fixing the broken real estate transaction workflow [Business]
4 points, 0 comments
A platform streamlining real estate transactions from search to closing, with agent matching and an upcoming mortgage solution.
- End-to-end transaction workflow for buyers, sellers, and agents
- Live in 10 countries with 31M properties and 4.6M agents
- Developing Anyone Mortgage for first-time homebuyers
- Founded by team behind Dan.com (acquired by GoDaddy)
Discussion Link, Original Link
An AI tool that generates celebrity voices with matching lip sync [Audio]
5 points, 2 comments
AI tool for generating celebrity voices with matching lip sync.
- Generates realistic celebrity voices
- Synchronizes voice with lip movements
- No additional text details provided
Discussion Link, Original Link
I Cut GitHub Notification Noise by over 90% Using Gmail Filters [Productivity]
4 points, 0 comments
A method to reduce GitHub notification noise by over 90% using Gmail filters and Multiple Inboxes.
- Uses Gmail filters to separate important GitHub notifications from noise
- Leverages Multiple Inboxes for better email organization
- Addresses the lack of built-in GitHub notification filtering
- Highlights the ongoing issue of notification overload on widely used platforms
Discussion Link, Original Link
Building code agents? Try code embedding models FAST and do it better [Developer Tools]
8 points, 4 comments
PurpleSearch is an instant search engine for local codebases that helps compare and deploy open-source code embedding models for building coding agents.
- Quickly deploy any open-source embedding model from Hugging Face
- Transforms Java projects into a code graph and indexes embedded snippets
- Returns top 10 relevant snippets with surrounding subgraph for context
- Uses LLM to answer queries based on retrieved code clusters
- Demo available on YouTube and open-source on GitHub
Turn Your GitHub or Gitlab Repo into an AI Wiki (Open Source) [Developer Tools]
3 points, 1 comments
Turn your GitHub or GitLab repository into an AI-powered wiki with this open-source tool.
- Converts repositories into AI-driven wikis
- Open-source and customizable
- Supports both GitHub and GitLab
- Enhances documentation with AI capabilities
Discussion Link, Original Link
Minimal News eye relaxed Hacker News front end [Consumer Tech]
4 points, 4 comments
A fast, minimal, and eye-relaxed Hacker News reader built with Next.js and Tailwind CSS.
- Browse Top, New, Ask HN, Show HN, and Job stories
- Responsive design for various screen sizes
- Eye-relaxed theme for comfortable reading
- Dynamic metadata and basic SEO implementation
- Independent loading states for content and pagination
- Subtle entry animations for smoother UX
- Built with Next.js, TypeScript, Tailwind CSS, and Shadcn UI
Discussion Link, Original Link
Got laid off. Got sick of ghost jobs. Built something [Business]
17 points, 8 comments
A web app that tracks and exposes companies' hiring behaviors to help job seekers avoid ghost job listings.
- Tracks job boards, ATS systems, median salaries, and posting frequency
- Shows skills and degree requirements for roles
- Allows anonymous reporting of ghost jobs by seekers
- Provides public discussion pages per company
- Currently covers Fortune 100, expanding to 2,500+ companies
- Plans to offer access to a database tracking over 1 million companies
Discussion Link, Original Link
Tinysums, HN thread and story summaries that don't suck [Productivity]
4 points, 6 comments
HN thread and story summaries using Gemini 2.5 Pro for concise overviews.
- Summarizes top 30 HN stories and their comment threads
- Provides TL;DR for lengthy discussions
- Updates hourly via cron job