Show HN: WhatCable, a tiny menu bar app for inspecting USB-C cables

Show HN: Site Mogging

Show HN: Winpodx – run Windows apps on Linux as native windows

Show HN: WeSearch – Anonymous news aggregator with no algorithm, 700 sources

Show HN: Updated – A dual crossword puzzle where two crosswords share one grid

Show HN: Pu.sh – a full coding-agent harness in 400 lines of shell

Show HN: What happens when you load a webpage (Interactive)

Show HN: TRiP – a complete transformer engine in C built from scratch just by me

Show HN: A new benchmark for testing LLMs for deterministic outputs

Show HN: Coding-Flashcards – Learn Rust, SQLite, or Godot from First Principles

Show HN: I built a context layer for our home

Show HN: Self hosted video feed for children

Show HN: Rocky – Rust SQL engine with branches, replay, column lineage

Show HN: Git repositories hosted directly on Freenet

Show HN: Drive any macOS app in the background without stealing the cursor

Show HN: FusionCore: ROS 2 sensor fusion that outperforms robot_localization

Show HN: Live Sun and Moon Dashboard with NASA Footage

Show HN: Rip.so – a graveyard for dead internet things

Show HN: Throwaway – open-source disposable email checker and API

Show HN: Vibe, a single-header C networking library for Linux

Show HN: Auto-Architecture: Karpathy's Loop, pointed at a CPU

Show HN: KeeWebX – KeePass that runs from a double-clicked HTML file

Show HN: Exploding Hamsters

Show HN: Gemini free tier is all you need

Show HN: OSS Agent I built topped the TerminalBench on Gemini-3-flash-preview

Show HN: Adblock-rust Manager – Firefox extension to enable the Brave ad blocker

Show HN: An attempt to grow a mind – building software with an inner life

Show HN: Code on the Go, an IDE for Android with On-Device Debugging (GPLv3)

Show HN: Qumulator – quantum circuit simulator, 1000 qubits, no GPU

Show HN: Agent that refuses to run commands without human approval

Show HN: My retired dad and I made a daily, somewhat difficult, quiz

Show HN: "Be horse." – a diffusion language model on an M2 Air

Show HN: Create screen recordings with annotations in Chrome, no uploads

Show HN: Free no-signup site auditor – secrets, subdomain takeover, CVEs

Show HN: Utilyze – an open source GPU monitoring tool more accurate than nvtop

Show HN: A terminal spreadsheet editor with Vim keybindings

Show HN: Mdview.io – online Markdown viewer for software developer

Show HN: Copy-fail-C – portable C port of CVE-2026-31431, with a checker

Show HN: Phase Router – capacity-aware routing for MoE

Show HN: A programming language where the only token is the word "vibe"

Show HN: Hexlock – Replace PII in text with fake data that has the same format

Show HN: Flocklist, minimalist graph-based task tracker

Show HN: DD Photos – static photo albums, now with Docker and 1-command deploy

Show HN: Pollen – distributed WASM runtime, no control plane, single binary

Show HN: 1990s Game Dev Algorithms for Distributed Systems

Show HN: Does Big Government Kill Growth? The Armey Curve Tested (151 Countries)

Show HN: NVIM config that I use with my agents

Show HN: Can a person's chess mind outlive them? An attempt with 41 masters

Show HN: SigMap – 81.1% retrieval hit 5, 96.9% token reduce,zero deps

Show HN: Study Bible MCP – scholarly Greek/Hebrew lexicons and morphology

Show HN: Bin collection calendars for the entire UK

Show HN: Multiplayer Voronoi

Show HN: Gova – The declarative GUI framework for Go

Show HN: Browser Harness – Gives LLM freedom to complete any browser task

Show HN: Free textbook on engineering thermodynamics

Show HN: I've built a nice home server OS

Show HN: A Multi User Multi Task Board MCP Server

Show HN: Tiao, A two-player turn-based board game

Show HN: The Unix Magic poster, annotated (updated)

Show HN: Task Manager for AI Agents (MCP, Opensource)

Show HN: Waiting for LLMs Suck – Give your user a game

Show HN: Tolaria – Open-source macOS app to manage Markdown knowledge bases

Show HN: A Karpathy-style LLM wiki your agents maintain (Markdown and Git)

Show HN: WorkProof – JSON schema for skill evidence graphs

Show HN: Unusual Wikipedia

Show HN: Startup Equity Adventure Game

Show HN: Agent that mines academic research for novel time series discoveries

Show HN: Kloak, A secret manager that keeps K8s workload away from secrets

Show HN: Stream iOS Simulators to a Browser Window

Show HN: Claude Code Web UI

Show HN: The Dominion List – an open-source db of Canadian founders in the US

Show HN: Generative UI Library for React

Show HN: I remade my blog into a Windows 3.1 environment

Show HN: A free ESG stock screener that publishes its losses and methodology

Show HN: Pi-hosts – Give the Pi coding agent access to your servers

Show HN: AgentSwarms – free hands-on playground to learn agentic AI, no setup

Show HN: See where your computer connects (TapMap)

Show HN: Send your first Peppol e-invoice in 5 minutes (EU mandate live)

Show HN: AgentSwift – Open-source iOS builder agent

Show HN: AgentPort – Open-source Security Gateway For Agents

Show HN: OmniForge – document intelligence and audio capture with local LLM

Show HN: Devicons, +1300 logos and icons in React, SVG, and icon format

Show HN: Platypus – Local meeting transcription, notes, and chat (Tauri, Rust)

Show HN: AI Skills Leaderboard. What's your score?

Show HN: fixiproject.org – minimalist web tools

Show HN: Agented, a Text Editor for LLMs

Show HN: A private-ish bookmark app that uses GitHub Gist as its back end

Show HN: AI memory with biological decay (52% recall)

Show HN: Prxhub – open registry so AI agents stop re-running the same research

Show HN: Stateless, system-wide Transparent Tor Proxy for Linux (v0.1.0)

Show HN: PrePrompt – rewrites vague prompts before they reach the LLM

Show HN: I built a dual crossword puzzle where two crosswords share one grid

Show HN: Matrirc – run irssi in 2026, talk to people on Matrix

Show HN: TiGrIS, a tiling compiler that fits ML models onto embedded devices

Show HN: Browse GitHub repos in Emacs without cloning

Show HN: GeoTraceroute – Traceroutes on a 3D globe and submarine cables

Show HN: Auge Vision from Your Terminal

Show HN: Blotter, a live map of LAPD radio activity

Show HN: 49Agents – 2D Canvas IDE for Orchestrating Agents, Repos, Issues