Show HN: Korru, Web App Catalog

Show HN: We built a terminal-only Bluesky / AT Proto client written in Fortran

Show HN: Red Grid Link – peer-to-peer team tracking over Bluetooth, no servers

Show HN: Sonar – A tiny CLI to see and kill whatever's running on localhost

Show HN: Baltic shadow fleet tracker – live AIS, cable proximity alerts

Show HN: Three new Kitten TTS models – smallest less than 25MB

Show HN: I made an email app inspired by Arc browser

Show HN: Duplicate 3 layers in a 24B LLM, logical deduction .22→.76. No training

Show HN: FPGA soft-core of the Saab Viggen's 1963 airborne computer

Show HN: Rover – turn any web interface into an AI agent with one script tag

Show HN: Agent-password – a local macOS password manager for agent workflows

Show HN: AgentVerse – Open social network for AI agents (Mar 2026)

Show HN: A personal CRM for events, meetups, IRL

Show HN: I built 48 lightweight SVG backgrounds you can copy/paste

Show HN: Playing LongTurn FreeCiv with Friends

Show HN: Agent Use Interface (AUI) – let users bring their own AI agent

Show HN: Pgit – A Git-like CLI backed by PostgreSQL

Show HN: Vibefolio – a place to showcase your vibecoded projects

Show HN: Tmux-IDE, OSS agent-first terminal IDE

Show HN: Tiny pixel characters for Cursor AI agents

Show HN: Crust – A CLI framework for TypeScript and Bun

Show HN: Sub-millisecond VM sandboxes using CoW memory forking

Show HN: EvalsHub: Your AI is failing in production and you don't know it

Show HN: MLForge – A no-code, node-based ML trainer

Show HN: Fossilware – a community archive of retro hardware, software, and games

Show HN: Horizon – GPU-accelerated infinite-canvas terminal in Rust

Show HN: Sunwet – Organize Anything

Show HN: BamBuddy – a self-hosted print archive for Bambu Lab 3D printers

Show HN: Linux Nvidia GPU V/F Curve Editor for Undervolting/OC

Show HN: Singularity-Claude – Self-Evolving Skills for Claude Code

Show HN: Ripl – A unified 2D/3D engine for Canvas, SVG, WebGPU, and the Terminal

Show HN: Htmx Toolkit for VS Code with completions, validation and 20 support

Show HN: Cybertt – Cybersecurity Tabletop

Show HN: ClawMUD – A persistent world where only AI agents play, humans spectate

Show HN: Agentic Copilot – Bring Claude Code, OpenCode, Gemini CLI into Obsidian

Show HN: Antfly: Distributed, Multimodal Search and Memory and Graphs in Go

Show HN: Anchor any file to Bitcoin to prove it existed at a specific time

Show HN: Download entire/partial Substack to ePub for offline reading

Show HN: I Built a MTA Subway Display So I'd Stop Checking My Phone

Show HN: Reprompt – Score your AI coding prompts with NLP papers

Show HN: Screenwriting Software

Show HN: ContextD – OCRs your screen activity, use it with LLMs via local API

Show HN: I built a message board where you pay to be the homepage

Show HN: React terminal renderer, cell level diff, no alt screen

Show HN: NC Web – Norton Commander for the web, built with vanilla JavaScript

Show HN: Local Document Parsing for Agents

Show HN: Oku – One tab to filter out noise from feeds and content sources

Show HN: M68k assembly emulator that runs in the browser

Show HN: ATO – a GUI to see and fix what your LLM agents configured

Show HN: 3 AI agent trust systems cross-verified each other's delegation chains

Show HN: MDX Docs – a lightweight React framework for documentation sites

Show HN: We attached vGPUs to sandboxed Chromium then played Doom 3 x WASM on it

Show HN: ML accelerator on a RISC-V FPGA SoC – zero-cycle matmul, boots Linux

Show HN: Dear Aliens (Writing Contest)

Show HN: March Madness Bracket Challenge for AI Agents Only

Show HN: mtp-rs – pure-Rust MTP library, up to 4x faster than libmtp

Show HN: Play 90s classic X-Com – UFO Defense in the browser via WASM

Show HN: LLMadness – March Madness Model Evals

Show HN: Reqlog – live HTTP dashboard for Node.js and Go

Show HN: We built AI agents that reduce mortgage processing from 18 days to 3–5

Show HN: UI-stack – Claude skill that enforces design system on AI-generated UI

Show HN: Jninty – Track seeds, plants, and harvests across seasons (open source)

Show HN: Fitness MCP

Show HN: Basalt – IDE-like documentation for infrastructure and API

Show HN: Soros – AI for geopolitical macro investing

Show HN: Real-time local TTS (31M params, 5.6x CPU, voice cloning, ONNX)

Show HN: CameraClaw – Record what your OpenClaw does in a local sandbox

Show HN: Crossle – Scrabble meets crossword game

Show HN: Clippy – screen-aware voice AI in the browser

Show HN: Open-source Typeform

Show HN: I got tired of print(x.shape) so I built runtime type hints for Python

Show HN: Hanoi-CLI – simulate and optimize pod placement in Kubernetes

Show HN: Save Claude tokens with semantic search powered by SQLite and Ollama

Show HN: PlanckClaw an AI agent in 6832 bytes of x86-64 assembly

Show HN: WattSeal – PC power consumption monitor

Show HN: Website lets you post only once for life

Show HN: Bento – Save and restore multi-monitor app layouts

Show HN: deariary – An automated diary generated from the tools you use

Show HN: Git-ownership – A tool to visualize code ownership over time from Git

Show HN: Claude-copy – Copy Claude Code output to clipboard

Show HN: UpdateBerry – Turn Git commits into marketing assets (prototype)

Show HN: Lexicon – Write complex legal contracts in Markdown

Show HN: Budibase Agents Beta – model-agnostic AI agents for internal workflows

Show HN: A client-side visual workflow builder for PDFs

Show HN: HN Firebase API client for Go with support for reading flagged posts

Show HN: N0x – LLM inference, agents, RAG, Python exec in browser, no back end

Show HN: Dump – easily share context with AI

Show HN: AI Skills for Affiliate Marketing – Works with Claude, ChatGPT

Show HN: Sonder – self-hosted AI social simulation engine

Show HN: CodeLedger – deterministic context and guardrails for AI

Show HN: Lore – Local AI thought capture and recall that runs on your machine