Show HN: Tattoy – a text-based terminal compositor

Show HN: Qrkey – Offline private key backup on paper

Show HN: McWig – A modal, Vim-like text editor written in Go

Show HN: I wrote a BitTorrent Client from scratch

Show HN: I'm a student built an AI to chat with YouTube videos

Show HN: Shelly, terminal assistant that translates natural language into shell

Show HN: Tritium – The Legal IDE in Rust

Show HN: Eyesite – Experimental website combining computer vision and web design

Show HN: DIY virtual HDMI monitor using "AR" glasses

Show HN: Tool-Assisted Speedrunning the Boring Parts of Animal Crossing (GCN)

Show HN: SharkMCP, a Tshark MCP Server

Show HN: Spark, An advanced 3D Gaussian Splatting renderer for Three.js

Show HN: The Roman Industrial Revolution that could have been

Show HN: Gem and I built an open-source app to learn Japanese

Show HN: A “Course” as an MCP Server

Show HN: Ikuyo a Travel Planning Web Application

Show HN: S3mini – Tiny and fast S3-compatible client, no-deps, edge-ready

Show HN: I made a 3D printed VTOL drone

Show HN: High End Color Quantizer

Show HN: RomM – An open-source, self-hosted ROM manager and player

Show HN: GetHooky – a language-agnostic Git hook manager

Show HN: Tidalbase – Pair programming platform for solo devs and open source

Show HN: I built a cleaner YouTube – no ads, sponsors, or doomscrolling

Show HN: Dead simple clock for hidden menubar users

Show HN: StellarSnap – Explore NASA APODs, simulate orbits, learn astronomy

Show HN: PyDoll – Async Python scraping engine with native CAPTCHA bypass

Show HN: Stop It – an iOS app using visual therapy to help break habits

Show HN: Munal OS: a graphical experimental OS with WASM sandboxing

Show HN: curlmin – Curl Request Minimizer

Show HN: MidWord – A Word-Guessing Game

Show HN: Let’s Bend – Open-Source Harmonica Bending Trainer

Show HN: TypeScript DSL for expressive AWS SNS filters as type-safe code

Show HN: Timerge – Smart, effortless break reminder for macOS

Show HN: ChatToSTL – AI text-to-CAD for 3D printing

Show HN: Glowstick – type level tensor shapes in stable rust

Show HN: Somo – a human friendly alternative to netstat

Show HN: Interactive Enigma Machine Simulator

Show HN: Claude Slash Command Suite inspired by Anthropics best practices guide

Show HN: I made a free resume generator

Show HN: I am making an app to rival "Everything"

Show HN: GratefulTime - a modern open-source gratitude journal (iOS & macOS)

Show HN: I rebuilt the recruitment process from the ground up

Show HN: HyperTemplates, a pure-HTML templating system and static site generator

Show HN: Swift Scribe: On-device AI scribe using Apple's new Foundation Models

Show HN: A MCP server and client implementing the latest spec

Show HN: I created an AI search engine for the Quebec Civil Code

Show HN: A Fast, Offline Tool to Search Your Images by Text or Image

Show HN: Update to my meta glasses API "Hey Meta send a message to ChatGPT"

Show HN: Open sourcing my developer portfolio

Show HN: I made CSS-only glitch effect

Show HN: TripJam, a new way to plan trips

Show HN: I built a tool to use my homelab apps remotely without a full VPN

Show HN: I built an app to calculate body type and generate AI fitness plans

Show HN: Apple's new "Liquid Glass" effect as a Svelte component

Show HN: I'm 13 and I built an AI PDF Reader

Show HN: Rapidez – Headless Magento with Laravel and InstantSearch

Show HN: StopX – AI-powered content blocker with 99.7%

Show HN: AuraCoder – Gen AI Learning Platform

Show HN: I built a loadout building and sharing tool for Helldivers 2

Show HN: UserWatch – AI product analyst. Instant dashbords, AB tests, AI replays

Show HN: CongressMCP – interact with congress.gov data in natural language

Show HN: I built a photo-to-checklist app to help with cleaning paralysis

Show HN: Mcp-hacker-news – An MCP server for accessing Hacker News data via LLMs

Show HN: Operations manager agent for remote team work

Show HN: Jomon – a network forensics and passive sniffer tool

Show HN: Open-source Go Challenges – Interactive practice for interviews

Show HN: Typeconomy, a clicker game where you type

Show HN: Viberunner – build personal desktop apps in seconds

Show HN: Zymo.tv

Show HN: Pyleak – Detect asyncio issues causing AI agent latency

Show HN: AI-Powered Music Creation Starts Here – Vibe Musicing

Show HN: An AI tutors that teaches AI

Show HN: Altstack.jp, like European-alternatives.eu, for Japan

Show HN: I made an open-source alternative to LangChain

Show HN: I made a Markdown summariser for obsidian (and Markdown in general)

Show HN: I made a mobile app that turns your step count into a race

Show HN: RenderDay: A GPU-only render farm for Blender

Show HN: I made a 3D networked open world automation game with no game engine

Show HN: Turn your YT videos into AI-tutor

Show HN: Small tool to query XML data using XPath

Show HN: Wrist/off – launch button for your Apple Watch

Show HN: Open source API for meeting transcripts and recordings

Show HN: Autonomous AI Agent for e-signatures – chat/voice assistant

Show HN: Building Electret Mic Preamp Open sourced

Show HN: Visualize nested list properties in the CodeLLDB debugger

Show HN: SDFY: Fast 2D Vector Shapes and Shadows with Signed Distance Functions

Show HN: SelfDB – Ditch Supabase and Firebase Lock-In, Self-Host Simply

Show HN: FlowHawk – ultra fast eBPF network security monitor with ML

Show HN: Javi: An AI-Boyfriend that understands you. It chats and sexts

Show HN: Nowa – No-signup event planning app for scheduling and bill splitting

Show HN: Job Compass – AI agents that help you find jobs, not replace you