Show HN: Draw a fish and watch it swim with the others

Show HN: TraceRoot – Open-source agentic debugging for distributed services

Show HN: An interactive dashboard to explore NYC rentals data

Show HN: Print the daily weather forecast on a thermal receipt printer

Show HN: Mcp-use – Connect any LLM to any MCP

Show HN: AgentMail – Email infra for AI agents

Show HN: I made a website that makes you cry

Show HN: Pontoon – Open-source customer data syncs

Show HN: Forced to Give Your Password?

Show HN: TubeSummary – YouTube gets AI summaries in the browser

Show HN: Rewindtty – Record and replay terminal sessions as structured JSON

Show HN: KubeForge – A GUI for Kubernetes YAMLs

Show HN: Sourcebot – Self-hosted Perplexity for your codebase

Show HN: Agentic AI Frameworks on AWS (LangGraph,Strands,CrewAI,Arize,Mem0)

Show HN: A Toy Sound Generator

Show HN: An AI agent that learns your product and guides your users

Show HN: Open-source alternative to ChatGPT Agents for browsing

Show HN: Windows XP in the browser, with file system, Word, media, flash

Show HN: Companies use AI to take your calls. I built AI to make them for you

Show HN: Dlg – Zero-cost printf-style debugging for Go

Show HN: Walk-through of rocket landing optimization paper [pdf]

Show HN: Astro dev blog template with interactive colorschemes

Show HN: I made a mobile game you can only play on the toilet

Show HN: A high-altitude low-power flight computer for high-altitude balloons

Show HN: The Aria Programming Language

Show HN: Open-source physical rack-mounted GUI for home lab

Show HN: Online Ruler – Measuring in inches/centimeters

Show HN: The easiest accessibility (a11y) checker for VSCode

Show HN: Terminal-Bench-RL: Training long-horizon terminal agents with RL

Show HN: A GitHub Action that quizzes you on a pull request

Show HN: Convert from MIDI file to ASCII tablature (and more)

Show HN: MoebiusXBIN – ASCII and text-mode art editor with custom font support

Show HN: Cant – Library written in Rust that provides PyTorch-like functionality

Show HN: Use Their ID – Use your local UK MP’s ID for the Online Safety Act

Show HN: LinCal – A Calendar View for Linear Issues

Show HN: AgentGuard – Auto-kill AI agents before they burn through your budget

Show HN: Tambo – a tool for building generative UI React apps with tools/MCP

Show HN: Tendly – Ephemeral, privacy-first sharing for files and notes

Show HN:typed - Markdown app for writers, students, professionals, and creators

Show HN: I built an AI that turns any book into a text adventure game

Show HN: Arbok – Self-hosted HTTP tunnels to localhost using WireGuard

Show HN: Zero Waste Cloud – Finds 20-40% savings in AWS/GCP bills and CO2 impact

Show HN: PLATO5 – AI-guided social engine to turn strangers into IRL friends

Show HN: IsAgent – Detect agents like ChatGPT Agent on your website

Show HN: Open-Source Alternative to Modal

Show HN: Kanban-style Phase Board: plan → execute → verify → commit

Show HN: WhiteLightning – ultra-lightweight ONNX text classifiers trained w LLMs

Show HN: SafeRate – AI chat-native mortgage lender

Show HN: Find paint colours in Ireland and generate your own palettes

Show HN: Compress Image – Simple Lossless and Lossy Image Compression Tool

Show HN: Square Images – Make Any Image a Perfect Square in One Click

Show HN: I made a tool to generate photomosaics with your pictures

Show HN: Monchromate – Smart greyscale browser extension

Show HN: Demitter – Distributed Node.js Event Emitter (Pub/Sub)

Show HN: QuickTunes: Apple Music player for Mac with iPod vibes

Show HN: List of Clojure-like projects

Show HN: Publican – an HTML-first static site generator for Node.js

Show HN: Implementation of DDPM (Denoising Diffusion Probabilistic Models)

Show HN: A tool for complete WebSocket traffic control

Show HN: Xorq – open compute catalog for AI

Show HN: OpenAI Agents SDK demos made durable and scalable with Temporal

Show HN: Carimbo, a 2D game engine written in C++23 using SDL, featuring Lua

Show HN: Flyde 1.0 – Like n8n, but in your codebase

Show HN: I built an AI brand generator to stop wasting days naming side projects

Show HN: DJ-style audio waveform thumbnailer in Python

Show HN: Building a Production Finance Model for Open Source

Show HN: Airbnb API, powerful and developer-friendly

Show HN: ELF Injector

Show HN: Pairfonts – A web application for pairing Google Fonts

Show HN: My Bytecode Optimizer Beats Copilot by 2X

Show HN: A desktop-pet app built with bevy

Show HN: Clauditate – Breathing exercises while Claude Code is thinking

Show HN: Vorsteh Queue – A powerful, ORM-agnostic queue engine

Show HN: Boarda – Native Graphical Outliner with a Novel Layout

Show HN: Universal Control" for Macintosh Classic

Show HN: Winamp Style Web Audio Visualizer

Show HN: DevNotify – Track Your Starred GitHub Repos and Issues (Open Source)

Show HN: Daily Lingo – AI daily stories to learn any language

Show HN: Windows 7 GUI for the web

Show HN: Host Claude Artifacts on your own domain

Show HN: I use AI to send myself personalized weekly recaps from my saved links

Show HN: Agentic Coding Tools – Directory for AI agents and vibe coders

Show HN: V2.0 of Open SaaS, a free, open-source SaaS boilerplate starter is here

Show HN: I built a Tamagotchi that teaches French numbers

Show HN: An app to let you use your Qardio device without their servers

Show HN: We create visual codebase maps that scale (static analysis and LLMs)

Show HN: Kiln – AI Boilerplate with Evals, Fine-Tuning, Synthetic Data, and Git

Show HN: Wush-Action – SSH into GitHub Actions over WireGuard

Show HN: Production-Ready Agents with the OpenAI Agents SDK and Temporal

Show HN: Snapmatch

Show HN: No Hype AI – get oriented in using LLM tools for software engineering

Show HN: API Radar – Real-time GitHub scanner for exposed API keys

Show HN: Claude Code in the Browser – Webcode.sh

Show HN: We built a framework for sending real-time updates to mobile apps

Show HN: I made a web app for structured podcast summaries

Show HN: I turned an LLM into a random generator for music, food, books and more