Show HN: Plot-Hole.com a daily movie puzzle I made https://ift.tt/PTJnK1o March 23, 2026 at 01:15AM

Show HN: Foundations of Music (FoM) Foundations of Music is an attempt to establish a conceptual and formal foundation for understanding mus...

Show HN: Simple Terminal Voice Recorder A lightweight, terminal-based voice recorder written in Python with pause/resume, live preview, tras...

Show HN: An event loop for asyncio written in Rust actually, nothing special about this implementation. just another event loop written in r...

Show HN: Travel Hacking Toolkit – Points search and trip planning with AI I use points and miles for most of my travel. Every booking comes ...

Show HN: Rover – turn any web interface into an AI agent with one script tag https://ift.tt/to2REX1 March 21, 2026 at 01:58AM

Show HN: Vibefolio – a place to showcase your vibecoded projects Over the last months, more people are shipping small apps, experiments, and...

Show HN: Agent Use Interface (AUI) – let users bring their own AI agent As I started building AI integrations, I came to realize that for ma...

Show HN: Cybertt – Cybersecurity Tabletop https://cybertt.xyz/ March 20, 2026 at 10:29AM

Show HN: Download entire/partial Substack to ePub for offline reading Hi HN, This is a small python app with optional webUI. It is intended ...

Show HN: Screenwriting Software I’ve spent the last year getting back into film and testing a bunch of screenwriting software. After a while...

Show HN: React terminal renderer, cell level diff, no alt screen https://ift.tt/1hgIyYd March 19, 2026 at 08:01PM

Show HN: Browser grand strategy game for hundreds of players on huge maps Hi HN, I've been building a browser-based multiplayer strategy...

Show HN: Fitness MCP There's no external MCP for your fitness (Garmin / Strava) data, so we built one. https://ift.tt/TCKejgx March 19, ...

Show HN: Duplicate 3 layers in a 24B LLM, logical deduction .22→.76. No training I replicated David Ng's RYS method ( https://dnhkng.git...

Show HN: I built a message board where you pay to be the homepage I kept thinking about what would happen if a message board only had one sl...

Show HN: Sub-millisecond VM sandboxes using CoW memory forking I wanted to see how fast an isolated code sandbox could start if I never had ...

Show HN: Trackm, a personal finance web app I built this as a personal finance app that allows me to see how my recurring incomes and expens...

Show HN: Seasalt Cove, iPhone access to your Mac I feel like I finally built something I actually use every day and it has completely change...

Show HN: Webassembly4J Run WebAssembly from Java I’ve released WebAssembly4J, along with two runtime bindings: Wasmtime4J – Java bindings fo...

Show HN: Tmux-nvim-navigator – Seamless navigation with zero Neovim config https://ift.tt/aCeMXB0 March 15, 2026 at 10:51PM

Show HN: GrobPaint: Somewhere Between MS Paint and Paint.net https://ift.tt/50wMzGC March 14, 2026 at 11:41PM

Show HN: Structural analysis of the D'Agapeyeff cipher (1939) I am working on the D'Agapeyeff cipher, an unsolved cryptogram from 19...

Show HN: Costly – Open-source SDK that audits your LLM API costs https://ift.tt/GbI7VfK March 14, 2026 at 10:57PM

Show HN: Simple plugin to get Claude Code to listen to you Hey HN, My cofounder and I have gotten tired of CC ignoring our markdown files so...

Show HN: Kube-pilot – AI engineer that lives in your Kubernetes cluster I built kube-pilot — an autonomous AI agent that runs inside your Ku...

Show HN: I wrote my first neural network I have been interested in neural nets since the 90's. I've done quite a bit of reading, but...

Show HN: EdgeWhisper – On-device voice-to-text for macOS (Voxtral 4B via MLX) I built a macOS voice dictation app where zero bytes of audio ...

Show HN: What was the world listening to? Music charts, 20 countries (1940–2025) I built this because I wanted to know what people in Japan ...

Show HN: Global Maritime Chokepoints https://ift.tt/ZN3jE1R March 13, 2026 at 05:42AM

Show HN: Slop or not – can you tell AI writing from human in everyday contexts? I’ve been building a crowd-sourced AI detection benchmark. T...

Show HN:Conduit–Headless browser with SHA-256 hash chain - Ed25519 audit trails I've been building AI agent tooling and kept running int...

Show HN: Free audiobooks with synchronized text for language learning https://ift.tt/EzJ4KkR March 11, 2026 at 10:12PM

Show HN: Claude Code Token Elo https://ift.tt/eY60BgD March 10, 2026 at 05:29AM

Show HN: Joha – a free browser-based drawing playground with preset shape tools I built Joha, a free browser-based drawing playground built ...

Show HN: I Was Here – Draw on street view, others can find your drawings Hey HN, I made a site where you can draw on street-level panoramas....

Show HN: sAT Protocol – static social networking https://ift.tt/Ds8RGo7 March 10, 2026 at 04:25AM

Show HN: ChatJC – chatbot for resume/LinkedIn/portfolio info https://ift.tt/HLN8mUu March 10, 2026 at 01:37AM

Show HN: OpenMeters – A fast and free audio metering/visualization suite This has been a pet project of mine for the past ~5 months. It cons...

Show HN: I built a site where strangers leave kind voice notes for each other https://ift.tt/qEUQhDo March 8, 2026 at 11:12PM

Show HN: DailyDefense – Daily tower defense for agents or humans A simple tower defense game. Seeded randomly every day. Get the top score. ...

Show HN: SiClaw – Open-source AIOps with a hypothesis-driven diagnostic engine https://ift.tt/nFa5UDT March 8, 2026 at 03:27AM

Show HN: Help] I run 4 AI-driven companies simultaneously from my terminal https://ift.tt/Gy0RHNu March 7, 2026 at 11:13PM

Show HN: MicroBin – Easy File Sharing for Everyone – Self-Hostable https://my.microbin.eu/ March 7, 2026 at 10:07PM

Show HN: I open-sourced my Steam game, 100% written in Lua, engine is also open Homebrew engine https://ift.tt/6gi8l3V https://ift.tt/g804fK...

Show HN: mTile – native macOS window tiler inspired by gTile Built this with codex/claude because I missed gTile[1] from Ubuntu and couldn’t...

Show HN: Kanon 2 Enricher – the first hierarchical graphitization model Hey HN, This is Kanon 2 Enricher, the first hierarchical graphitizat...

Show HN: I built an AI exam prep platform for AWS certs after failing one myself Hey HN, I failed the AWS Advanced Networking Specialty exam...

Show HN: Paste a URL and watch multiple AI models redesign it side-by-side https://ift.tt/m1tjSoc March 5, 2026 at 12:00AM

Show HN: A shell-native cd-compatible directory jumper using power-law frecency I have used this tool privately since 2011 to manage directo...

Show HN: Augur – A text RPG boss fight where the boss learns across encounters I've been building Augur as a solo side project for the l...

Show HN: I built a LLM human rights evaluator for HN (content vs. site behavior) I built Observatory to automatically evaluate Hacker News f...

Show HN: Interactive WordNet Visualizer-Explore Semantic Relations as a Graph https://wordnet-vis.onrender.com/ March 3, 2026 at 10:17PM

Show HN: We filed 99 patents for deterministic AI governance(Prior Art vs. RLHF) For the last few months, we've been working on a fundam...

Show HN: MCP-firewall: I created a policy engine for CLI Agents https://ift.tt/KU8wRjh March 2, 2026 at 01:24AM

Show HN: Vibe Code your 3D Models Hi HN, I’m the creator of SynapsCAD, an open-source desktop application I've been building that combin...

Show HN: Logira – eBPF runtime auditing for AI agent runs I started using Claude Code (claude --dangerously-skip-permissions) and Codex (cod...