Show HN Daily Selection (2025-04-20)04/20/2025
Education
Research
Entertainment
Video
Developer Tools
Productivity
Business
Travel
- I built an AI that turns GitHub codebases into easy tutorials
- Goldbach Conjecture up to 410^18+710^13
- Undercutf1 – F1 Live Timing TUI with Driver Tracker, Variable Delay
- Web Video editor, 100% local, AI subtitle, auto cut based on volume
- Parqv – Interactive TUI Parquet Visualizer
- LettuceDetect – Lightweight hallucination detector for RAG pipelines
- DeadDrop – Tiny tool to share files anonymously
- I built a tool to find pain points in questions and generate SaaS ideas
- Make your bookmarks smarter with AI
- i built an AI code reviewer for github (used it on itself during dev)
- CR4SH3R – Fast WordPress Plugin Vulnerability Scanner
- I made an app to get Paraguay residency and citizenship
- Flight search that shows aircraft and airline safety records
Show HN Daily Selection (2025-04-19)04/19/2025
Entertainment
Developer Tools
Business
Health
Inspiration
- I made a Doom-like game fit inside a QR code
- (bits) of a Libc, Optimized for Wasm
- Attune - Build and publish APT repositories in seconds
- Too Many Business Ideas? stop choosing, launch all of them, FAST&FREE
- I made a game using mazes generated by ChatGPT
- Any API to MCP Server tools converter
- I rebuilt my AI browser game using 100 pieces of feedback from HN
- I built an AI-powered packaged food ingredients list vegetarian scanner
- Happy Little Monoliths, First Edition
Show HN Daily Selection (2025-04-18)04/18/2025
Developer Tools
Audio
Productivity
Business
Consumer Tech
Finance
Video
- AgentAPI – HTTP API for Claude Code, Goose, Aider, and Codex
- val – An arbitrary precision calculator language
- HN Watercooler – listen to HN threads as an audio conversation
- Zuni (YC S24) – AI Copilot for the Browser
- Startup Success Calculator
- BorgLens – Securely access your Borg backup anywhere, anytime on iOS
- Serverless MCP – Debug AWS serverless resources in your IDE
- C++ library for embedded and IoT projects (ESP32)
- Lit.money – Ethically designed to be a private, simple way to see money
- CursorFlow – Visualize your cursor tracks and keystrokes on macOS
- Elfconv – Linux Apps to High-Performance WASM Binary Translator
- Fp-filters – A curated collection of TS/JS array filter functions
- VirutalProg – macOS Virtualization Tool
- Git-chain: A way to manage branch dependencies in Git
- I Built a Site to Track U.S. Tariff Updates in Real Time
- Videoyards – screen recorder with auto-zoom, crop and 4K exports
Show HN Daily Selection (2025-04-17)04/17/2025
Developer Tools
Productivity
Design
- Plandex v2 – open source AI coding agent for large projects and tasks
- We Put Chromium on a Unikernel (OSS Apache 2.0)
- Sidekick, an open source Claude Code alternative
- I made a tool to extract YouTube transcripts and skip the fluff
- K(r)ep - A high-performance string search utility
- Building Vim as an Portable Executable
- Rocal – Full-stack WASM framework
- Landing Lab – A growing collection of landing page templates
Show HN Daily Selection (2025-04-16)04/16/2025
Productivity
Audio
Developer Tools
Entertainment
Education
Video
- Unsure Calculator – back-of-a-napkin probabilistic calculator
- Resonate – real-time high temporal resolution spectral analysis
- Torque – A lightweight meta-assembler for any processor
- MCP-Shield – Detect security issues in MCP servers
- I asked Gemini2.5 pro to create a "bro version" of a stoic book
- Chonkie Cloud – No-nonsense chunking now on the the cloud
- I made Python project template so you don't need to spend hours on it
- Tiptap UI Components – Free React Components for Building Editor UIs
- Speak your target language with real people, not just an app
- Streaming Platform for Global Content (Need Testers)
Show HN Daily Selection (2025-04-15)04/15/2025
Productivity
Developer Tools
Entertainment
Business
Consumer Tech
E-commerce
Education
Text
ChatBots
Image
- ClipCapsule – A Clipboard Manager for Linux (Built with Go and Wails)
- Zero-codegen, no-compile TypeScript type inference from Protobufs
- Single-Header Profiler for C++17
- Resurrecting Infocom's Unix Z-Machine with Cosmopolitan
- I made a machine learning model to predict 66.45% of NBA games
- Essentials-C – A minimal C library for string and array manipulation
- ActorCore – Stateful serverless framework that runs anywhere
- Kforward – Lightweight K8s proxy for local dev
- LiftmyCV – AI Job Search Agent and Auto-Apply Tool
- Nissan's Leaf app doesn't have a home screen widget so I made my own
- ElephantShadow: PHP for SSR of Webcomponents in declarative shadow DOM
- Instantly view your team's SaaS usage across 2,500 tools
- GPTShirt - AI-powered Custom T-Shirts
- I made a library with free UIKit and SwiftUI components
- Go library for generating Anki decks
- GitHub Detective – Investigate what a GitHub user has been up to
- Bptree – A B+ tree implementation in C
- Rich text editor as a service – my free side project
- Bugsink – Self-Hosted Error Tracking
- BookStates – A better reading tracker and reading companion
- SQL-powered search query parser with React UI
- ChatGPT sucks, so I built Zarin to access 200 AI models
- I built an AI image generator lets you create styled images in seconds
- a 1MB iOS App: Background HTTP/WebDAV Servers, CrossPlatform File Share
- Create a single executable out of your Node.js apps, but only 10MB
- I wrote a book about Clojure
Show HN Daily Selection (2025-04-14)04/14/2025
Developer Tools
Entertainment
Life Assistant
Education
Video
Productivity
Consumer Tech
Health
- Gatehouse-TS – TypeScript port of Rust's authorization policy framework
- I Made YC Rejection Simulator
- Real-time emergency incident maps from police/fire/EMS radio
- LeetGPU, a playground to learn practice and hone your GPU programming.
- Opsmate - LLM Powered SRE Assistant
- A Hacker News client that only shows YouTube videos
- Cigarette – a Safari extension that hides ads on X, Reddit, & LinkedIn
- Sequel – Open-source Database MCP servers
- Open-Sourced AI CLI Tool
- A lightweight web browser built with Rust and egui
- QSleep (iOS Sleep App)
- Prime Factorization Game
Show HN Daily Selection (2025-04-13)04/13/2025
Productivity
Health
Design
Developer Tools
- memEx, a personal knowledge base inspired by zettlekasten and org-mode
- DSM-5 based panic attack analysis AND AI-companion Elissa
- A tool that makes numbers eye-catching using Unicode, anywhere
- OctAPI – Visualize API Routes Directly in VS Code
- Mixtrics - A lightweight metrics lib in Rust for various metrics system
- Agent2Agent Protocol Explorer
- TeleGraphite – Telegram Scraper and JSON Exporter (Python CLI Tool)
- dynq – an analytic query and data processing CLI tool for DynamoDB
Show HN Daily Selection (2025-04-12)04/12/2025
Entertainment
Developer Tools
Inspiration
Productivity
Finance
- Teaching a Dinosaur to Jump: Rust, WebAssembly, and Neural Evolution
- Building better base images
- A gallery of ChatGPT image styles for inspiration
- Pg_CRDT – CRDTs in Postgres Using Automerge
- The Mouse is Lava~ A Chrome Ext to navigate websites with your keyboard
- RSS Launchpad – a tiny Firefox (mobile) RSS extension extractor
- I built an AI extension to protect your wallet from sneaky clauses
- FlowGram – AI Workflow Building Engine
- godns A DNS forwarder similar to dnsmasq
Show HN Daily Selection (2025-04-11)04/11/2025
Finance
Developer Tools
Entertainment
Productivity
Audio
Education
Design
Consumer Tech
- I built a tool to manage and compare credit card rewards
- Koreo – A platform engineering toolkit for Kubernetes
- Starcrossed – A Traveling Salesman Game
- Homerun Desktop: Self-hosting for professionals with deadlines
- I built an app that reduces podcast preparation effort by 95% +
- Pledge – A Lightweight Reactive Framework for Swift (No Rx Overhead)
- I Built an AI-Powered System to Help You Learn Any Skill in 30 Days
- Calculate confidence score for OpenAI JSON output
- SlamDunk: A user-friendly 3D visualization library
- The Ultimate MCP Client
- I made a unique word game that got a Webby Nomination
- Colors That Cuddle
- New Android App alerts you to scams and suspicious links
- AnydocAI – Turn images and documents into structured data
Total 26 items
- 1
- 2
- 3