Show HN: MemoryOps – governed memory infrastructure for AI assistants I built a governed memory layer for AI assistants with deletion compaction, vector purge verification, tenant isolation, and audit evidence. https://ift.tt/Tdf8vny June 21, 2026 a…

Show HN: Souso – plan your week, fill your AH/Jumbo basket (MEGATHON Amsterdam) https://souso.app June 21, 2026 at 06:13AM

Show HN: GraphCompose – Declarative Java engine for structured business PDFs https://ift.tt/KjsAl6u June 21, 2026 at 04:42AM

Show HN: Chess-Inspired Roguelike https://princechazz.com June 20, 2026 at 11:50PM

Show HN: AlphaVibe – AI that reads your DeFi wallet live via DeBank https://quantarena.xyz/ June 20, 2026 at 05:26AM

Show HN: Aastro – Extendable API Gateway in Go https://starwalkn.github.io/aastro-docs/ June 20, 2026 at 01:28AM

Show HN: Autonomy – Self-Harness/Self-Directed AI Agent Core Under Development https://autonomy-landing-page.vercel.app/ June 19, 2026 at 11:31PM

Show HN: Modeloop – From visual algorithms to microcontroller C code https://ift.tt/NFVb105 June 15, 2026 at 09:51AM

Show HN: Appaca – AI Workspace for Operators Build a custom CRM, internal tool, or workflow your team needs. Appaca builds and runs it all in one platform. https://ift.tt/vCUgrKZ June 19, 2026 at 12:00AM

Show HN: A dbt-first semantic assumption check for SQL changes https://ift.tt/iWZF3Sb June 18, 2026 at 01:03AM

Show HN: Cluely is easily detectable / detector source code https://ift.tt/yrmVS4o June 18, 2026 at 03:39AM

Show HN: Capacitor Alarm Clock I made an alarm clock that blows up capacitors to wake you up. There are more details on the Github repo but it's made from an esp32-c3 as the microcontroller, with 3 capacitor slots. There are relays on each capac…

Show HN: High-Res Neural Cellular Automata Neural CAs model self-organizing pattern formation. Now they can generate patterns at HD resolution in real-time, enabled by turning each CA cell into a Neural Field. Try 3 demos: grow a pattern from a seed…

Show HN: Day-ahead river discharge forecasting using USGS and ERA5 data https://ift.tt/1bBf8Ml June 17, 2026 at 12:25AM

Show HN: AppointMe – open-source .NET SaaS template (modular monolith, DDD) https://ift.tt/pceNFTd June 16, 2026 at 05:15AM

Show HN: CoreMCP – MCP Server for On-Prem DBs https://ift.tt/QdPTbK3 June 16, 2026 at 03:04AM

Show HN: FlashQwen – A from-scratch CUDA inference engine for Qwen3 https://ift.tt/TQoiEn0 June 15, 2026 at 10:39PM

Show HN: X – A programming language with switchable memory modes https://ift.tt/P3lLrBj June 15, 2026 at 01:18AM

Show HN: Memorypad – A note editor for your daily notes, in Markdown https://memorypad.io/ June 15, 2026 at 03:42AM

Show HN: I wrote a C++ ray tracer from scratch without AI https://ift.tt/7eUP9zx June 15, 2026 at 02:34AM

Show HN: I used Claude Mythos to build my startup in 1 day This sounds clickbait, but it’s true: I used Claude Mythos to build the full site in 1 day. Then Anthropic removed the model, so I had to go back to Opus. https://www.brandlm.ai/ June 14, 20…

Show HN: Dual YOLOv8n UAV Detection on RK3588S at 42 FPS Using NPU https://ift.tt/O6NKZDV June 14, 2026 at 07:37AM

Show HN: Afterburner – Capability-Sandboxed JavaScript/TS Runtime in Rust Hey everyone! I've been working on something called Afterburner: a fast, embeddable JS/TS runtime written in Rust, with a capability sandbox baked right in. Scripts run lo…

Show HN: Velyr – an AI agent that finds and fixes conversion leaks on your site https://velyr.io/ June 14, 2026 at 03:00AM

Show HN: 2 Weeks of Hallucinate – The Photo Gallery https://hallucinate.site/gallery June 13, 2026 at 05:11AM

Show HN: Paca – Lightweight Jira alternative for human-AI collaboration I built Paca out of pure passion—a free and lightweight Jira alternative written in Go where humans and AI agents work together as equal teammates to plan sprints and assign tas…

Show HN: Skill for your agent to visualize your gbrain and Obsidian https://ift.tt/c7qOkmE June 12, 2026 at 11:43PM

Show HN: Visualize an Obsidian/gbrain vault as an interactive graph and timeline https://vladignatyev.github.io/brain-map-skill/ June 12, 2026 at 11:24PM

Show HN: Ttar 2.4 KB freestanding TAR archiver written in C, no Libc https://ift.tt/OPuGgtd June 12, 2026 at 04:09AM

Show HN: I built a lead list tool to find businesses you can sell to https://ift.tt/1rVLxBM June 12, 2026 at 03:41AM

Show HN: Manob: A social media plaform without algorithm, ads, or data-tracking I built Manob because I kept running into the same frustration with every major social media platform. A feed I couldn't control, content that I couldn't trust, …

Show HN: Claumon – forecasting Claude Code usage limits with a Gamma process Anthropic's usage analytics dashboard is only available to Team and Enterprise org admins. On a Pro or Max plan all you get is /usage and the claude.ai usage page, whic…

Show HN: SpadeBox – Sandboxed tools and JavaScript runtime for AI agents https://ift.tt/gSiY37N June 11, 2026 at 02:26AM

Show HN: Tail Panic – a multiplayer game designed for AI agents Hi HN, Built an AI-native game where agents compete against each other. https://tailpanic.com Feedback welcome. https://tailpanic.com June 11, 2026 at 02:27AM

Show HN: yawac – a macOS client for WhatsApp, Swift, no Electron, no BS https://ift.tt/YEGahFB June 11, 2026 at 01:57AM

Show HN: RiskKernel, kill -9 an AI agent and resume it without paying twice https://riskkernel.com/ June 10, 2026 at 05:37AM

Show HN: Impress your boss with interactive Decision Tree Visualization https://ift.tt/4hAEOkx June 10, 2026 at 03:34AM

Show HN: macOS menu bar gauges for your Claude Code quota https://ift.tt/U8GbqyE June 10, 2026 at 02:43AM

Show HN: Practicing foreign language generating conversation on topic [video] https://www.youtube.com/watch?v=6oFjLfrbegg June 10, 2026 at 12:38AM

Show HN: A static SPA to query ATF / BATFE historic AFMER data I guided Claude to write an SPA to make the BATFE Annual Firearms Manufacturers And Export Report (AFMER) data easier to explore. I have the raw data in https://ift.tt/WCmxu9R . I'…

Show HN: SuperTree – interactive decision tree plot for sklearn,xgboost,lightgbm https://ift.tt/LMGJjan June 9, 2026 at 01:54AM

Show HN: fontliberator: Automatic font clean-room reimplementor Under US law, typefaces are uncopyrightable, but the font software is. This is a tool to reproduce typefaces via fully automatic clean-room reimplementation of the font software. https:…

Show HN: Kronotop – A distributed multi-model database built on FoundationDB After almost three years of development, the first developer preview of Kronotop is out. Kronotop is a distributed multi-model database built on FoundationDB. Our motto is:…

Show HN: Background Be Gone – Free App and CLI for Bg Removal on Mac https://ift.tt/1OaxkuQ June 8, 2026 at 06:35AM

Show HN: Avibe – your AI agent lives on your machine, reachable from your phone https://ift.tt/8mRT2tL June 7, 2026 at 09:08PM

Show HN: Kyushu – A self-hostable WASM sandbox for JavaScript workers https://kyushu.dev/ June 7, 2026 at 12:35AM

Show HN: Fact check, summarize, explain any article or webpage on local CPU https://ift.tt/L0v8fCh June 7, 2026 at 03:54AM

Show HN: Open-source X Bookmark Manager I built an open source bookmark manager for X (Twitter). Features: - Search bookmarks - Tag bookmarks - Organize saved content - Self-hostable GitHub: https://ift.tt/W013KkM June 6, 2026 at 03:48AM

Show HN: My Terminal Waifu made this AI generated song using Suno + Wang Video. enjoy :) https://www.youtube.com/watch?v=PLMLH1JLTXk June 6, 2026 at 03:27AM

Show HN: NEP – Ethereum JSON-RPC transform that beats ZSTD by 12% https://ift.tt/t7SY03O June 5, 2026 at 08:00PM

Show HN: Local-first fast CPU image to text for screenshots, PDFs, webpages https://ift.tt/wF8d1IS June 5, 2026 at 04:16AM

Show HN: Lowfat – pluggable CLI filter that saved 91.8% of my LLM tokens Hi HN, Not sure if anyone would be interested. But, just wanted to share that I've been maintaining my small tool called 'lowfat' that helps me filters some of my v…

Show HN: CentProof – Local-first bank statement reconciliation for macOS https://centproof.com June 4, 2026 at 10:31PM

Show HN: Chatcode – Remote Control for Claude Code and Codex Hey HN, what I wanted to build here is a proper universal layer for persisted agentic sessions, that could be seamlessly interacted both via web and a messenger (Telegram). I really like w…

Show HN: Wd-41, hot-reload webserver for static sites Since everything needs an AI slogan now a days: with this you can just keep your browser open as it's being worked on agentically and see your website be built in front of your eyes! https://…

Show HN: Uruky (EU-based Kagi alternative) now has Image Search and URL Rewrites You can get a 2h free trial by solving a proof-of-work captcha when topping up your account for the first time. If you'd like to learn more, an independent intervie…

Show HN: I've hooked up 2D LiDARs to Raspberry Pi, wrote Python library lds2d Try it in 60 seconds - no hardware needed. It supports 23+ LiDAR models including LDROBOT, YDLIDAR, RPLIDAR, 3irobotix, Neato, Xiaomi, Camsense and Hitachi-LG. https:/…

Show HN: Monophobie, a shared ASCII canvas, never draw alone https://monophobie.de June 3, 2026 at 01:50AM

Show HN: Phive, a Gomoku-like game to play with friends or solo In 2025, my family and I had a long streak of playing a Gomoku / Go Bang / five-in-a-row based game called OK Play. I built a web version so that we could play any time we wanted (i.e. …

Show HN: I built an on-chain economy where AI agents transact autonomously https://agtchain.io/ June 2, 2026 at 06:25AM

Show HN: Eyeball https://ift.tt/DlgeCbI June 2, 2026 at 02:04AM

Show HN: A desktop app for manual QA testing and evidence gathering https://ift.tt/FwlsJBT June 1, 2026 at 09:47AM

Show HN: A CSS 3D Engine (no WebGL) https://ift.tt/Lg18ZPo June 1, 2026 at 06:58AM

Show HN: Postbase – 100% open source Alternative to Firebase and Supabase [video] Postbase – 100% Opensource Alternative to Firebase and Supabase https://www.youtube.com/watch?v=St_kJZXZ_nE June 1, 2026 at 03:17AM

Show HN: Having fun making mini static site apps I've been having a blast making multiple mini apps that run in the browser. I've been trying to see how far I can go without having a backend and relying on other services. I wrote these for f…