Show HN: Real time visual saliency detection https://ift.tt/FZLMlcC

Show HN: Real time visual saliency detection I've just made public a library to perform real time visual saliency detection on videos (but static images are also supported). This started a couple months ago when, while working on another project, I ended up side-tracking and overkilling as usual. I'm pretty happy with the result and I think it could prove to be a useful piece of software. It should work on both Linux and macOS, but I'm yet to test Linux cause I only have a mac at hand. Windows may be doable through WSL. GitHub: https://ift.tt/jdxPJuy Showcase: https://big-nacho.github.io/dosage-docs/showcase.html https://ift.tt/jdxPJuy September 10, 2025 at 01:36AM

Show HN: An Open Source XR(AR/VR) Operating System https://ift.tt/ISZUD3C

Show HN: An Open Source XR(AR/VR) Operating System We're two college students building an XR(AR/VR) native Operating System with a custom kernel. We're also Open Source so feel free to check our GitHub Repository- https://ift.tt/0JA8IeV . The journey hasn't exactly been easy, we've been criticized by a lot saying that whatever we're doing is impractical and that we're too ambitious. Regardless, we've been committed to reach our goal. Here to answer all questions and doubts. Answering one question beforehand because we know someone is going to ask it - Q: Why use your own kernel/ Why don't you use Linux/ Why are you trying to reinvent the wheel? A: Using our own kernel helps us get rid of the baggage of legacy codes, bring the most optimal performance on our target hardware (XR/AR/VR) and achieve more efficiency than what we would've achieved on an existing kernel. We're not trying to reinvent the wheel, but just building Formula One racing tyres for it. https://ift.tt/7eihEW1 September 7, 2025 at 04:39PM

Show HN: Paper's Heat Map Shader https://ift.tt/iX6K9In

Show HN: Paper's Heat Map Shader Paper is a new design tool. We launched into open alpha today. Anyone can now sign up and use Paper. We started Paper about 1 year ago with the goal to bring more creativity back into design tools. It feels like the existing options are becoming increasingly corporate. To celebrate to launch, we published a new shader that lets anyone see their logo in Apple's new heat map animation style. There is no sign-up needed at heat.paper.design. We're always looking for feedback from anyone who uses Sketch, Figma, Photoshop, or Illustrator, about what they most need in their professional design tools. Have fun with the new shader and please send me anything you make! https://ift.tt/cHj0yUq September 9, 2025 at 11:33PM

Show HN: C++ Compiler Support Page https://ift.tt/YLAwfBy

Show HN: C++ Compiler Support Page Hi HN, I have created a webpage that displays all C++ features since C++20 in a simple, searchable table. It is intended to serve as a quick reference for C++ developers, whether as support for cross-platform development or simply to track the current support status out of curiosity. I created it as a simpler, more structured, and more up-to-date alternative to the cppreference compiler support site. Please note that the page intentionally does not list LWG and CWG papers. This might change as I am continually updating the site and trying out new ideas. Questions, feedback and suggestions are appreciated, either here or in the form of GitHub issues. https://cppstat.dev September 8, 2025 at 12:42PM

Show HN: Gemini connected to 18 native iOS tools and shortcuts https://ift.tt/ZO64Jkn

Show HN: Gemini connected to 18 native iOS tools and shortcuts I built an iOS voice assistant that connects your action button to Gemini Live with 18 native iOS tools like location, calendar, and so on. It also connects to any shortcuts you have on your phone. Totally free, no account, no setup. https://saturn-live.app September 8, 2025 at 10:44PM

Show HN: I made a simple ASCII-art analog clock in Emacs https://ift.tt/NbU45AJ

Show HN: I made a simple ASCII-art analog clock in Emacs Just a toy, showing how easy it is to leverage built-in Emacs features (most notably Artist mode, which provides a set of functions for creating ASCII-art vector graphics) and things like trigonometric functions and timers to create something nice. A short blog post mentioning some background (and showing a screenshot): https://ift.tt/u8gLTGx . https://ift.tt/ACtL3H6 September 8, 2025 at 11:48PM

Show HN: Psq – CLI for Postgres Monitoring https://ift.tt/xFQwK45

Show HN: Psq – CLI for Postgres Monitoring https://ift.tt/SRIvxoE September 8, 2025 at 12:11AM

Show HN: Vizzly – Visual testing platform with built-in review workflows https://ift.tt/ge9OM54

Show HN: Vizzly – Visual testing platform with built-in review workflows Hey HN! I’m Robert. I worked on [Percy’s SDKs/support from 2018–2022.]( https://ift.tt/lSzjFcU ) If you ever reached out to support or opened an issue, I probably helped you. Hopefully it was positive :) After a few years away, visual testing still felt stuck, so I'm building Vizzly. The problem: Design handoffs kinda suck. Designers make beautiful specs, devs implement them, then everyone realizes the details got lost somewhere. Current visual testing tools catch broken CSS but miss the real issue - making sure what ships actually matches what was designed, functionally (like really in the browser/OS/etc). What it is - Visual testing + review where you send actual screenshots (not DOM re-renders). Can be _any_ image to review (PDFS!) - Collaboration built-in: reviewer assignment, approvals, @mentions, screenshot-level threads. - Baselines: automatic (Git-aware), manual (not Git-based), or hybrid. - Team-based pricing; generous free plan for OSS; on-prem available. What’s different - Capture-first: use the pixels your app produced (no “but it doesn’t look like that on my machine/CI”). - Local TDD + CI parity: run locally with instant feedback; same flow in CI. - Custom properties to filter/slice reviews (component, viewport, theme, etc). Try it quickly (Playwright example) ``` npm i -D @vizzly-testing/cli export VIZZLY_TOKEN=your-token # in your tests: import { vizzlyScreenshot } from '@vizzly-testing/cli'; let img = await page.screenshot({ fullPage: true }); await vizzlyScreenshot('homepage-layout', img); ``` I would love feedback on everything! Rough edges you hit using the product/sdk, baseline expectations across branches, what you need for design/dev review to feel “done”, etc. Features like root cause analysis, an MCP, and more collab features are coming. But it's just me building :p I'm a big fan of OSS, so the OSS plan is pretty generous (10 seats + 10 review seats (20 total), unlimited public projects, 75GB, 6 concurrent builds). If it's not generous enough for teams, I'm willing to up it! This is my first time launching anything like this, I'm super keen on getting feedback and working any support or suggestions folks have. If anyone knew me from my support at Percy, I _really_ enjoy those conversations and opportunities to ship a fix or feature at the end of a chat. If Vizzly isn't it for your team, I wanna know why and what I can do to help you. Backstory + screenshots from my intro blog post: https://ift.tt/acwCBE0 https://vizzly.dev September 7, 2025 at 09:14PM

Show HN: rm-safely – A shell alias that moves files to trash instead of deleting https://ift.tt/QAmuUFS

Show HN: rm-safely – A shell alias that moves files to trash instead of deleting I made rm-safely, a simple shell wrapper that moves files to trash instead of permanently deleting them. It prevents accidental deletions from autocomplete mishaps or hasty rm -rf commands. Should work as a drop-in replacement for rm but safer. Would appreciate any feedback! https://ift.tt/j1BVmai September 4, 2025 at 12:38PM

Show HN: 60-Second Linux Analysis, Supercharged with Nix and LLMs https://ift.tt/Iak8Pe0

Show HN: 60-Second Linux Analysis, Supercharged with Nix and LLMs Hello HN, I'm sharing a little open-source utility I wrote recently. I'm a huge fan of Brendan Gregg's "BPF Performance Tools" book. However, every time I SSH into a fresh server, most of the diagnostic tools aren't installed there and installing them can be really annoying. I decided to use Nix package manager and LLMs to make this process straightforward. My utility first downloads a "toolbox" of Linux utilities (built with Nix), runs Brendan Gregg's famous "60-second Linux analysis" playbook and then summarizes the results with an LLM. So "60-second Linux analysis" now becomes a single one-line command and actually takes less than 60 seconds! The utility can execute all commands in parallel and the LLM can analyze them faster than a human would. I have a few ideas for the future, for example implementing more powerful playbooks - thanks to Nix I can easily bundle all tools I need and LLMs have no trouble analyzing outputs of tens of commands. I'd love to get your feedback and hear any ideas you have. Thanks for checking it out. You can launch the utility with this command: $ curl -fsSL https://ift.tt/mhgw8WP | sh https://ift.tt/3sIKTCx September 6, 2025 at 09:23PM

Show HN: Dumb Site to Rate Horses https://ift.tt/DLQj3hY

Show HN: Dumb Site to Rate Horses I wanted a project to learn the Dioxus framework. It needed to be relatively simple and fun. Here is a site that lets you rate horses. The horse people I know have taken issue with this site because they say all horses are beautiful. What do you think? Images are from an open source AI training dataset of horses, so there are some odd ones in there... https://hhn.bustin.tech September 6, 2025 at 11:02PM

Show HN: Writing Arabic in English https://ift.tt/WjXK0zp

Show HN: Writing Arabic in English A phonetic Arabic keyboard I created maps English letters to Arabic sounds, covering emphatic letters, hamza, and diacritics—making it easier for learners and casual users to type Arabic. https://ift.tt/3QlDnC4 September 3, 2025 at 07:34PM

Show HN: I built a public and open llms.txt endpoint for every domain https://ift.tt/u5AkcjR

Show HN: I built a public and open llms.txt endpoint for every domain And yes, I know, literally no AI uses llms.txt right now. But hear me out: if you want it just in case, or if you would like to add your sites to some llms.txt directories, you can use this endpoint. That way, you do not need to keep updating your own llms.txt, especially as I improve the API. Here is how it works: Enter any domain: https://get.llms.page/{example.com}/llms.txt The API will parse your homepage (if allowed in robots). Using internal links, descriptions, and other metadata, it will generate an Markdown llms.txt file. It does not rely on AI, because I want it to be fast and free. The API is open, free, runs on a CDN, and is powered by Cloudflare Workers for speed. I plan to open source the no-AI llms.txt generator later, since there is still a lot to improve. If you want to try it out or see some usage examples, visit: https://llms.page Let me know what you think! https://llms.page/ September 6, 2025 at 01:45AM

Show HN: Open-sourcing our text-to-CAD app https://ift.tt/uHTEf87

Show HN: Open-sourcing our text-to-CAD app Hey HN! I'm Zach from Adam ( https://adam.new/ ). We’re building an AI co-pilot for mechanical CAD software. As part of our broader research, we built a browser-based Text-to-CAD app ( https://ift.tt/ndiwVAE ) and are now open sourcing it. This is a React SPA with a Supabase backend. What it does: * Generates parametric 3D models from natural language descriptions, with support for both text prompts and image references * Outputs OpenSCAD code with automatically extracted parameters that surface as interactive sliders for instant dimension tweaking * Exports as .STL or .SCAD Under the hood: * Separate agents for conversation and code generation; simple parameter tweaks bypass AI entirely using deterministic regex-based updates * Runs fully in-browser by compiling OpenSCAD to WebAssembly and integrating Three.js with React Three Fiber for 3D rendering * Supports BOSL, BOSL2, MCAD libraries and custom font support (Geist) for text in models We’ve seen many developers trying to replicate this kind of functionality, so we’re releasing this to give the community a solid foundation to build on. Future improvements: * Expand geometry support - Move beyond CSG primitives to support curved surfaces, fillets, lofts, and constraint-driven modeling through CadQuery/Build123D * Better spatial context - UI for face/edge selection and viewport image integration to give LLMs spatial understanding * Enhanced capabilities - RAG on documentation and integration with more OpenSCAD libraries for features like proper threading You can clone the repo and run it locally! Contributions are welcome, and we’ll keep merging PRs as they come in. https://ift.tt/80YBR3m September 5, 2025 at 10:39PM

Show HN: A small browser game (PC only) built with Phaser 3 https://ift.tt/NiC3DuZ

Show HN: A small browser game (PC only) built with Phaser 3 Hi HN! This is my first game — something I’ve always wanted to do. It’s a small browser game built with Phaser 3, React, and the phaser template ( https://ift.tt/uAi05TH ). I made it in 2 days (like 8 hours in total real time) using gemini-cli. About 90% of the code was generated with AI, but I learned a lot by making fine tweaks. It only works on PC since it’s a typical WASD + R (reload) shooter. I’d love feedback on: - Gameplay (is it fun, too hard?) - Ideas for new features Thanks in advance! ps: I used cubes as a prototype, but now I kind of like them. Should I keep them or implement proper sprites? https://cubic-zombies.pages.dev/ September 5, 2025 at 02:44AM

Show HN: Quicknote.zip (Daily Micro Scratchpad) https://ift.tt/sSZQxiD

Show HN: Quicknote.zip (Daily Micro Scratchpad) I used to use https://doc.new when I needed to write quick scratchpad notes, but it takes like two seconds for Google Docs to be interactable, and ends up polluting my Drive with a bunch of "Untitled Docs". Lately I've used a bookmarklet that opens a fullpage contenteditable div which is instantaneous and worked for my needs. But I wanted persistence when I accidentally close the tab, and data-urls can't use localstorage, so I spun up quicknote.zip. It loads in the blink of an eye, works offline, and stores each day to localstorage. That's all it does, take it or leave it. https://quicknote.zip September 4, 2025 at 11:40PM

Show HN: Comfyfile - Secure, Anonymous File Sharing with Auto-Expiry No Account https://ift.tt/HwU4KpT

Show HN: Comfyfile - Secure, Anonymous File Sharing with Auto-Expiry No Account https://comfyfile.com September 4, 2025 at 09:04PM

Show HN: Provable Safety for AI Agents https://ift.tt/h087AVH

Show HN: Provable Safety for AI Agents https://sentinelops.xyz/ September 5, 2025 at 12:37AM

Show HN: Listgitfiles.sh – Fetch Raw GitHub File URLs with One Command https://ift.tt/4ZtBhYH

Show HN: Listgitfiles.sh – Fetch Raw GitHub File URLs with One Command I wrote this script to quickly retrieve raw file URLs from public GitHub repos. Added to my ~/.zshrc, it’s now a fast, reliable tool in my caveman workflow. Maybe you'll find use for it too! Have a great rest of your day, everyone! https://gist.github.com/rmtbb/d55638e758ad656eb40741dd60a39e5f September 4, 2025 at 03:58AM

Show HN: A unified approach to compute sandboxes https://ift.tt/8k4e7yT

Show HN: A unified approach to compute sandboxes https://ift.tt/DUHRJS4 September 4, 2025 at 01:44AM

Show HN: Trending rust NTP inspection CLI https://ift.tt/0UqgIkX

Show HN: Trending rust NTP inspection CLI Hi y’all, Just came across a crate on crates.io that recently hit v1.0.0. It’s called rkik - basically a "dig for NTP". I hadn’t seen a tool like this in Rust before. Looks pretty handy: it can query and compare NTP servers, output JSON for monitoring, and even run continuous checks. Seems to be getting some traction in the Rust community - might be worth a look if you’re into System administration, networking or DevOps. https://ift.tt/QhEzCcR September 4, 2025 at 12:49AM

Show HN: PasteVault – An open-source, E2EE pastebin with a VS Code-like editor https://ift.tt/8hiYXLB

Show HN: PasteVault – An open-source, E2EE pastebin with a VS Code-like editor https://pastevault.dev/ September 2, 2025 at 08:10PM

Show HN: Forward Error Correction for Pion WebRTC https://ift.tt/CYb2vxl

Show HN: Forward Error Correction for Pion WebRTC We explain what Forward Error Correction (FEC) is, how and why it works in general, and how you can try it out with a new implementation in the Pion WebRTC stack. https://ift.tt/PcdTRFy September 2, 2025 at 06:58PM

Show HN: qdb.us is back, after extensive downtime https://ift.tt/LMyv7Qm

Show HN: qdb.us is back, after extensive downtime http://qdb.us/ September 1, 2025 at 10:56PM

Show HN: Blueprint: Fast, Nunjucks-like templating engine for Java 8 and beyond https://ift.tt/DEfrCGv

Show HN: Blueprint: Fast, Nunjucks-like templating engine for Java 8 and beyond I love the simplicity, expressibility and extendibility of Nunjucks. But I was not able to find something with similar for Java, especially with the same syntax. So, built one. And it's pretty fast too. https://ift.tt/CbhDXM8 September 1, 2025 at 04:16PM