Show HN: Ordered – A sorted collection library for Zig I made an early version of a sorted collection library for Zig. Sorted collections are data structures that maintain the data in sorted order. Examples of these data structures are `java.util.Tr…

Show HN: OpenSkills - Run Claude Skills Locally Using Any LLM https://ift.tt/bd3865n October 27, 2025 at 08:54AM

Show HN: MCP Agent Mail, Like Gmail for Coding Agents I finally got around to making a tool I've wanted for a long time: you can basically think of it as being "like Gmail for coding agents." If you've ever tried to use a bunch of …

Show HN: Write JavaScript code that Runs on RUST hits 1M req/s https://shyam20001.github.io/rsjs/ October 27, 2025 at 02:58AM

Show HN: HanView -Effortless Learning Chinese on Wallpapers HanView fetches the stunning daily Bing wallpaper (every 3 hours), uses AI to seamlessly overlay a random frequently used Chinese word, and sets the enriched image as your Windows wallpaper…

Show HN: A browser SIM of a decentralized court for autonomous AI agents https://ift.tt/5PbUjit October 26, 2025 at 06:36AM

Show HN: Create-LLM – Train your own LLM in 60 seconds https://ift.tt/tC40j9c... https://ift.tt/PUFnpMT October 26, 2025 at 02:53AM

Show HN: I made an anagram word game for mobile in C++ and Go My wife loves it - she's the one I made it for. She also helped shape it by playing early versions and giving lots of feedback. I hope you'll like it, too. Here are some of the te…

Show HN: I made a simple portfolio performance calculator and it seems to work Hello, this is my first project! I used nothing but free web tools. And it seems to work. I couldn't find a simple portfolio performance tool on the web, where I coul…

Show HN: Building a good habit? Join us:) https://ift.tt/cBu02fj October 25, 2025 at 12:36AM

Show HN: MacOS Live Screensaver – A screensaver that plays live video streams https://ift.tt/VOx3yUe October 21, 2025 at 04:48AM

Show HN: Inspec – Specification scheduling software for interior designers Hi HN, I'm Nick and I built Inspec with my partner Caitlin (she's the interior designer, I'm the developer). Inspec lets interior designers create and manage FF&a…

Show HN: WalkingMate – Control a WalkingPad treadmill and track history on Mac https://ift.tt/mnHX0hq October 23, 2025 at 11:35PM

Show HN: Seed3D – Generate Physics-Ready 3D Models with Millimeter Precision I built Seed3D, a next-generation 3D reconstruction and modeling tool that turns 2D inputs into solid, physics-ready 3D models — with millimeter precision, physically accur…

Show HN: Bible Both Ways – See how the Bible can justify any moral claim I heard the host on some radio phone in say "but religion can be used to justify anything", so I made this little site to test that out. You can enter any serious (or…

Show HN: Deta Surf – An open source and local-first AI notebook Hi HN! We got frustrated with the fragmented experience of exploring & creating across our file manager, the web and document apps. Lots of manual searching, opening windows & t…

Show HN: I made Quantify AI – alternative to TradingView (2 months work) How it works (tech stack): -Built entirely with Lovabl.dev (no-code front-end + logic) -ChatGPT / Claude for research and inspiration -Powered by GPT-4 Vision to interpret char…

Show HN: Thanks Stars – A CLI that stars all GitHub repos your project uses https://ift.tt/3RZGHtV October 22, 2025 at 11:06PM

Show HN: Timeplus Proton 3.0 – First vectorized streaming SQL engine Two years after open sourcing Proton, we're releasing v3.0 which brings enterprise-grade streaming capabilities to the open source version: full connectivity, processing, and r…

Show HN: caniscrape – Analyze anti-bot protections before scraping (CLI and Web) I built this after hitting an infinite loop pagination trap on Newegg and wasting hours building a scraper that never had a chance. caniscrape analyzes a URL and tells …

Show HN: Coach Thyself – Replace your morning scroll with structured journaling Hi HN, I'm a solo dev who built this because I kept opening my phone and falling into social media instead of working on myself. Coach Thyself is a journaling app wi…

Show HN: AI FinOps co-pilot that explains and integrates cloud cost insights We’re building Cloudtellix an AI FinOps assistant for AWS that gives recommendations with reasoning trails and integrates into existing workflows. Prototype + waitlist: [cl…

Show HN: ASCII Automata https://ift.tt/rIlnLHA October 17, 2025 at 01:19PM

Show HN: FocusStream – Learn from YouTube Without the Distractions I built FocusStream because I was frustrated with how hard it is to stay focused when trying to learn from YouTube. You go there to watch one tutorial and twenty minutes later, you&#…

Show HN: UltraFaceSwap – Multi-face swap for photos, GIFs, and videos Hi HN, I just launched UltraFaceSwap ( https://ift.tt/7xPz9Rs ), an AI face swapping tool that handles photos, GIFs, and videos with single or multiple face swaps. *What makes it …

Show HN: I'm rewriting a web server written in Rust for speed and ease of use Hello! I got quite some feedback on a web server I'm building, so I'm rewriting the server to be faster and easier to use. I (and maybe some other contributors…

Show HN: I Built Raycast for Windows (Microsoft Store) I built AskDesk because I wanted a simple way to talk to my computer without all the setup. It’s kind of like Raycast for Windows — you can type or speak commands like “clear temp files,” “open …

Show HN: Playwright Skill for Claude Code – Less context than playwright-MCP I got tired of playwright-mcp eating through Claude's 200K token limit, so I built this using the new Claude Skills system. Built it with Claude Code itself. Instead of…

Show HN: Hank – Simplest CLI tool to get errors in plain English Hey folks, Here's a quick tool for anyone who wants a way to simplify error messages with AI without needing to switch to a fully agentic terminal solution. Simply add hank before …

Show HN: Smash Balls – Breakout and Vampire Survivors I made it by 120% viba coding. enjoy! free and no ads. https://ift.tt/LuWjtg8 October 20, 2025 at 12:56AM

Show HN: WP-Easy, framework to build WordPress themes The inspiration for this framework came from my brother, an amazing graphic designer who wanted to build WordPress themes using only his FTP-based code editor. He knows HTML and CSS really well, …

Show HN: Open-source implementation of Stanford's self-learning agent framework We implemented Stanford's Agentic Context Engineering paper which shows agents can improve their performance just by evolving their own context. How it works: Ag…

Show HN: Silly Morse code chat app using WebSockets My dad just bought a new printer. I joked and asked if it also had fax and a scanner. He said yes, not realizing I was making fun of him, so I asked if it also supported Morse code. That made it cl…

Show HN: The Shape of YouTube https://soy.leg.ovh/ October 12, 2025 at 02:40AM

Show HN: Land use visualization for European countries We have another election coming up at the end of this month here in the Netherlands, and how we use our limited land is a hotly debated topic. Last year also I shared this animated hexagonal map…

Show HN: Reddit Sentiment Dashboard for Claude Code vs. Codex (OSS) https://claude-vs-codex-dashboard.vercel.app/ October 17, 2025 at 07:50AM

Show HN: VT Code – AST-aware Rust agent for terminal (Tree-sitter/AST-grep) VT Code is a Rust CLI/TUI coding agent for AST-aware edits (Tree-sitter, ast-grep). Multi-provider routing with failover and caching (OpenAI, Anthropic, Gemini, DeepSeek, xA…

Show HN: OnlyJPG – Client-Side PNG/HEIC/AVIF/PDF/etc to JPG TL;DR: private, in-browser converter that turns pretty much any image file format into standard JPEGs. Everything runs locally. No uploads. This started as a five-minute job and forty hours…

Show HN: Inkeep (YC W23) – Agent builder that works both visually and in code Hi HN! I'm Nick from Inkeep. We built an agent builder with true 2-way sync between code and a drag-and-drop visual editor, so devs and non-devs can collaborate on the…

Show HN: How Useless Are You? A brutally honest skills check We built this to answer "am I a fit for this role?" after noticing how hard it is to get honest feedback when applying to a YC startup or something else entirely. It's a cust…

Show HN: Modshim – a new alternative to monkey-patching in Python I've invented a new alternative to forking / vendoring / monkey-patching packages in Python. It's a bit like OverlayFS for Python modules - it allows you write modifications f…

Show HN: Secure retrieval augmented generation using reBAC and SQLite-vec https://ift.tt/emU5npf October 15, 2025 at 04:28AM

Show HN: Nano Banana AI Prompt Gallery Discover professional nano banana prompts and banana image prompts created by our AI prompt generator. From nano banana model prompts to gemini banana prompts, explore the best banana AI prompt examples for stu…

Show HN: Firm, a text-based work management system https://ift.tt/Zs0DY65 October 15, 2025 at 12:01AM

Show HN: Electron but for Java 21 https://twitter.com/SunnyKentz/status/1978332963096944775 October 14, 2025 at 10:37PM

Show HN: Wordle-Style Daily Wikipedia Game https://hyperlinked.wiki October 14, 2025 at 05:26AM

Show HN: AI visuals that feel the music https://ift.tt/uMXGepq October 14, 2025 at 12:06AM

Show HN: Ark v0.6.0 – Go ECS with new declarative event system Ark is a high-performance Entity Component System (ECS) library for Go. Ark v0.6.0 introduces a new event system built around lightweight, composable observers. These allow applications …

Show HN: Cadence – A Guitar Theory App Hello HN, I just released this music theory and ear training mobile app for guitar which I've been working on for a bit more than a year on the side. The idea was to make something for the eternally "i…

Show HN: Cashflow planner for solopreneurs confidential by design Hi! Struggled to find something private and easy to use to track my pet project's money flow and control balance. So I built it by myself. Based on the security best practices for…

Show HN: I built an online productivity tools website I’ve always liked fast online tools for jotting notes or organizing thoughts — but most “productivity” sites either save data to the cloud, require sign-ups, or are full of distractions. So I bui…

Show HN: AirFryPro – Convert any oven recipe to air fryer https://ift.tt/e92vbGf October 12, 2025 at 08:02PM

Show HN: I built a tool to create SaaS demo videos I built Videoyards, a browser-based screen recording and editing tool made for indie hackers and SaaS founders who want to create clean, professional demo videos without wasting time switching tools…

Show HN: I made an esoteric programming language that's read like a spellbook i made an esoteric programming language which i call spellscript. every program is a "spell" written in a "grimoire," and you have to use keywords …

Show HN: Sober not Sorry – free iOS tracker to help you quit bad habits I made Sober not Sorry, a clean and simple iOS tracker to help quit bad habits — alcohol, smoking, or anything else. Open it → log your start date → it tracks your streak. No ad…

Show HN: Radiopuppy.com – Minimal Web App for Listening to Online Radio I listen to online radio all the time while working, but none of the web based apps I found fit my needs. So I built RadioPuppy.com - https://radiopuppy.com It’s a lightweight w…

Show HN: GravOIDS for macOS home brew old-school 2D shooter with Level Editor https://ift.tt/gY752Zr October 11, 2025 at 08:01AM

Show HN: Chess Hold'em https://chessholdem.net October 11, 2025 at 06:19AM

Show HN: A large format XY scanning hyperspectral camera https://ift.tt/VTOdUNg October 11, 2025 at 12:30AM

Show HN: Cjam – a modern MP3 file editor Cjam is an MP3 editing and playback tool for Windows. The MP3 format itself has been stable for decades, but advances in CPU power and memory have shifted the relationship between files and hardware, creating…

Show HN: Egui-rad-builder is a RAD tool for building UIs with egui (Rust) A little more than a year ago, I threatened to build RAD tool for egui if no one else got around to it first. Well, here it is, only a day old, warts and all. GUIs designed wi…

Show HN: Editor for React Three Fiber goes open source https://ift.tt/9ye5pX7 October 10, 2025 at 05:01AM

Show HN: I extracted BASIC listings for Tim Hartnell's 1986 book Tim Hartnell was one of the most prolific authors during the early days of the home computing boom, writing many popular books covering genres of games on different platforms and, …

Show HN: I invented a new generative model and got accepted to ICLR I invented Discrete Distribution Networks, a novel generative model with simple principles and unique properties, and the paper has been accepted to ICLR2025! Modeling data distribu…

Show HN: A minimal demo of SIP ↔ WebRTC A minimal demo of SIP ↔ WebRTC. This example shows how a WebRTC browser client can register, call, and communicate through a SIP signaling server. https://ift.tt/mq28Yz3 October 9, 2025 at 05:06AM

Show HN: EchoMode – A stability layer that prevents persona drift in LLMs Hey HN! I’m Sean, and I built EchoMode to solve a frustrating problem with long LLM conversations: persona drift — when models slowly forget their intended tone, style, or rol…

Show HN: Mirrow – Build SVGs with TypeScript, get syntax checking for free Mirrow is a TypeScript DSL that compiles to SVG with compile-time syntax checking and type safety. It reduces boilerplate while catching SVG errors before runtime. Key featur…

Show HN: Contract Extraction Assistant – Fast Batch Extraction https://ift.tt/x4jhEv9 October 8, 2025 at 05:14AM

Show HN: Oh Yah – Routine management app I built for my sons Hi HN! I built Oh Yah! to help my sons (age 7 and 10) stick to daily routines without constant reminders. The core idea: minimal distractions during tasks by locking navigation when a time…

Show HN: Greenonion.ai – AI-Powered Design Assistant Hi HN I’m excited to launch GreenOnion.ai — a platform that helps anyone create beautiful, editable design layouts instantly using AI. A lot of “AI design” tools today generate images. GreenOnion …

Show HN: 3D tool to arrange packages inside a box https://ift.tt/1twvHzB October 7, 2025 at 05:09AM

Show HN: 1-Bit Pixel Art Font Editor I like making small fonts for Arduino and ESP32 projects with those little SSD1306 OLED screens. So I made this browser-based tool to help design pixel art fonts for use in those embedded projects. It has a previ…

Show HN: NewsGoat – A terminal-based RSS reader written in Go https://ift.tt/LykT4a5 October 7, 2025 at 12:53AM

Show HN: While everyone builds AI apps, my spreadsheet reached 2,300 users Everyone’s chasing AI hype. I built a Google Sheet and it quietly took off. In 2020, I made it to track my own finances for income, expenses, savings, yearly summaries etc. I…

Show HN: Envirobly – Efficient App Hosting This is my, fully bootstrapped, take on an application hosting platform. I designed it primarily for myself, to meet the following goals: * Utilize the best parts of the cloud, leave expensive value added s…

Show HN: Volant– spin up real microVMs in 10 seconds(Docker images or initramfs) I’ve been building Volant, a modular microVM orchestration engine that makes running microVMs feel as simple as Docker. It supports cloud-init, GPU/VFIO passthrough (ye…

Show HN: Meihus – Mortgage calculator that shows early payment impact monthly I built it because I needed a way to see how much will my early payments save in interest overtime. Most of the websites I found are solely made for the US, which does not…

Show HN: I am relaunching the app I made to talk to my Danish girlfriend It has been a while since I have shared my app, that I made to be able to practice my Danish while chatting with my grilfriend - I often used GPT to write as much as I can in D…

Show HN: SVG but Dramatic https://ift.tt/QL3O6Uk October 5, 2025 at 04:37AM

Show HN: 2D Spine Animation AI for Game I built this 2D Spine Animation AI for Game. Upload a game character image, it directly generate 2D spine animation for your character that can directly apply 2k+ animations. What it does: - Auto rigging, auto…

Show HN: Tooth Fairy Certificate Generator Hey parents! If your child has lost a tooth, pair that money offer with a nice certificate from the tooth fairy itself! https://ift.tt/YJjK7vn October 4, 2025 at 08:50AM

Show HN: Expose Copilot as a standard OpenAI-style API for your local toolchain v1.1.0 adds ~20–30% faster responses and better tool calling. Curious how people might wire this into their workflows? https://ift.tt/Jjbli70 October 4, 2025 at 08:26AM

Show HN: BetterSelf – an app to never forget the lessons and ideas you learn I built BetterSelf to solve a problem I kept running into: most of what we learn, we forget. Books, podcasts, and notes — valuable insights disappear in days. BetterSelf ke…

Show HN: Cobalt – a pixel-art painting studio for the Nintendo DS Hey everyone, Cobalt is a program for painting textural and expressive pixel-art on Windows, Linux, Nintendo DS, and in-browser. The same 46KB core executable runs on all platforms, w…

Show HN: Real-time app starter with FastAPI, PostgreSQL pub/sub, and UV Starter template for real-time web apps using modern Python/JS tooling and PostgreSQL's LISTEN/NOTIFY instead of external message queues. Stack: - UV (Python package manager…

Show HN: BodhiGPT – Become a Better Human with AI Hey HN — Like many here, watching the capabilities of LLMs and AI advance over the last few years has been the most exciting stretch of my tech/data science career. And while I am not an AI doomer, i…

Show HN: heyyy.chat – WebRTC-based Omegle-clone, Video Chat with Random People https://heyyy.chat October 3, 2025 at 06:58AM

Show HN: Khoe – Static site generator for Git repos https://khoe.thac.loan/_/khoe/readme/ October 3, 2025 at 07:20AM

Show HN: Relation Explorer – A powerful mathematical graphing software https://ift.tt/sI5PxAt October 2, 2025 at 12:25AM

Show HN: Silobase – Firebase/Supabase alternative as NPM package I built Silobase , an open-source backend-as-a-service packaged as an npm module. With just a package.json and a .env file, you can deploy a REST API on top of your own database. https…

Show HN: Photo AI Editor – Edit, Transform and Enhance Photos with Text Prompt https://ift.tt/W5r8Cw1 October 1, 2025 at 11:49PM

Show HN: Next.js-like Python web framework, built for Htmx with FastAPI It's very early days for the project, but I wanted to share it to see if there is interest. It is the final piece of the FastAPI server-side rendering stack I started buildi…

Show HN: I made a website you can only visit in airplane mode I made a little website you can only visit when your phone is in airplane mode. Enjoy that short moment of disconnection. https://offline.church September 30, 2025 at 12:41PM

Show HN: I made an open-source web engine for relativistic simulations Dedicated to the brave men and women who gave their lives so we could begin again. https://www.lazarus-12.space/ October 1, 2025 at 01:19AM