Show HN: Clearcam – Add AI object detection to your IP CCTV cameras

Show HN: Bicyclopedia

Show HN: Port Kill – A lightweight macOS status bar development port monitor

Show HN: Publish Markdown – A tool to publish Markdown file in one click

Show HN: A "Catalog of Catalogs" for Unified Metadata

Show HN: JavaScript-free (X)HTML Includes

Show HN: I was curious about spherical helix, ended up making this visualization

Show HN: Creao – Vibe coding product for founders

Show HN: Luminal – Open-source, search-based GPU compiler

Show HN: Pinch – macOS voice translation for real-time conversations

Show HN: I replaced vector databases with Git for AI memory (PoC)

Show HN: brew-cleaner – CLI to bulk uninstall Homebrew formulae and free space

Show HN: Using Common Lisp from Inside the Browser

Show HN: OS X Mavericks Forever

Show HN: Run AI models directly in the browser – no server or internet required

Show HN: AgentState – Lightweight state manager for multi-agent AI workflows

Show HN: Splice – CAD for Cable Harnesses and Electrical Assemblies

Show HN: LoadGQL – a CLI for load-testing GraphQL endpoints

Show HN: PlutoPrint – Generate PDFs and PNGs from HTML with Python

Show HN: ChartDB Cloud – Visualize and Share Database Diagrams

Show HN: I built aibanner.co to stop spending hours on marketing banners

Show HN: Python library for fetching/storing/streaming crypto market data

Show HN: FeOx – Fast embedded KV store in Rust

Show HN: Project management system for Claude Code

Show HN: Clyp – Clipboard Manager for Linux

Show HN: Whispering – Open-source, local-first dictation you can trust

Show HN: Anchor Relay – A faster, easier way to get Let's Encrypt certificates

Show HN: Nestable.dev – local whiteboard app with nestable canvases, deep links

Show HN: What country you would hit if you went straight where you're pointing

Show HN: I built a toy TPU that can do inference and training on the XOR problem

Show HN: OpenAI/reflect – Physical AI Assistant that illuminates your life

Show HN: Typed-arrow – compile‑time Arrow schemas for Rust

Show HN: Changefly ID + Anonymized Identity and Age Verification

Show HN: AIMless – a 10 KB single file P2P chat app with zero dependencies

Show HN: My first game made with my homemade engine

Show HN: Strudel Flow, a pattern sequencer built with Strudel and React Flow

Show HN: Map of YC-Funded Startups

Show HN: Claudable – OpenSource Lovable that runs locally with Claude Code

Show HN: I integrated my from-scratch TCP/IP stack into the xv6-riscv OS

Show HN: Bizcardz.ai – Custom metal business cards

Show HN: Fractional jobs – part-time roles for engineers

Show HN: RepoSentinel – Track dependencies, security, and repo activity

Show HN: We started building an AI dev tool but it turned into a Sims-style game

Show HN: I've made an easy to extend and flexible JavaScript logger

Show HN: BirdNET-Go - AI avian identification & monitoring

Show HN: HypeVortex: Combining Crypto and AI in the stupidest way possible

Show HN: SIMD-optimized Bloom filters in Mojo for large-scale systems

Show HN: Playing Piano with Prime Numbers

Show HN: Doxx – Terminal .docx viewer inspired by Glow

Show HN: Chroma Cloud – serverless search database for AI

Show HN: Line of Code Analyzer

Show HN: CopyMagic – The smartest clipboard manager for macOS

Show HN: BrowserOS -- browser agents with GPT-OSS, local llms

Show HN: Fallinorg - Offline Mac app that organizes files by meaning

Show HN: Mudra – Make your startup rank in ChatGPT/Perplexity and LLMs

Show HN: MockinglyAI On-Demand AI Interviewer for System Design Mock Interviews

Show HN: Okapi – a metrics engine based on open data formats

Show HN: Hanaco Weather – A poetic weather SNS from the OS Yamato project

Show HN: Tool shows UK properties matching group commute/time preferences

Show HN: SFOR – minimal, no-backtracking, typed data format (experimental)

Show HN: Built a memory layer that stops AI agents from forgetting everything

Show HN: ASCII Tree Editor

Show HN: Mobile Use – Open-source agent that uses any mobile app like a human

Show HN: Lumo – a tiny fluffy virtual pet you can play with in the browser

Show HN: GPT-5 vs. Claude 4 Sonnet on 200 Requests Benchmark

Show HN: Because I Kanban

Show HN: AICF – a tiny "what changed" feed for AI/RAG (v0.1 minimal core)

Show HN: MCP Server for PostgreSQL Monitoring/Operations (MCP-PostgreSQL-Ops)

Show HN: Rucat – Cat for Prompt Engineers

Show HN: Convosphere – Real-life proximity chat

Show HN: Chat with Your Wearables Data

Show HN: Tap – Interactive CLI Prompts for Go (Clack Port)

Show HN: A Minimal Hacker News Reader for Apple Watch Built with SwiftUI

Show HN: Twick - React SDK for Timeline-Based Video Editing

Show HN: Super simple offline app to track yearly goals

Show HN: OnPair – String compression with fast random access (Rust, C++)

Show HN: HN – Hacker News in Your Terminal

Show HN: 100% Free photo to drawing converter, No signup

Show HN: A simple open-source CLI tool for generating invoices from the terminal

Show HN: Weam – open-source AI collaboration platform for teams

Show HN: Database of >2M creators and brands grouped into categories

Show HN: Resignation Letter：I built a website can generate resignation letter

Show HN: Infinite Tetris Grid

Show HN: GiralNet – A Privacy Network for Your Team (Not the World)

Show HN: Python file streaming 237MB/s on $8/M droplet in 507 lines of stdlib

Show HN: I spent the last 8 month designing this app

Show HN: DeVibe – Connecting vibe coders with developers

Show HN: 1999date – Dating Like It's 1999

Show HN: Embeddable customer facing analytics – MIT licensed

Show HN: VSCode extension to audit all MCP tool calls

Show HN: We beat Google DeepMind but got killed by Zhipu AI

Show HN: I built an app to track expense temptation

Show HN: Randomly switching between LMs at every step boosts SWE-bench score

Show HN: A neat news website curated and generated by AI

Show HN: Rubberduck – Open Source Tool to Emulate OpenAI/Anthropic APIs Locally