Show HN: Duolingo-style exercises but with real-world content like the news I've been working on a little side project that combines Duo...

Show HN: CVE-Bench, the first LLM benchmark using real-world web vulnerabilities AI agents now have impressive reasoning capabilities. This ...

Show HN: I made a Chrome Extension to stop mindless browsing / avoid tab clutter Hey HN, I've created on a Chrome Extension called Lucid...

Show HN: I built an open-source NotebookLM alternative using Morphik I really like using NoteBook LM, especially when I have a bunch of rese...

Show HN: PipZap – Zapping the mess out of the Python dependencies https://ift.tt/AD31XEp March 31, 2025 at 12:05AM

Show HN: Cloud-Ready Postgres MCP Server Hey HN, I built pg-mcp, a Model Context Protocol (MCP) server for PostgreSQL that provides structur...

Show HN: Owl - simple retro rpg Experience first-hand the wonderful world of owl photography! Owls aren’t big on having their photo taken, s...

Show HN: We open sourced a $50M neobank Open sourcing our neobank for nonprofits has been years in the making. We shared our initial launch ...

Show HN: Create presentations with smart animations using Excalidraw I often create presentations where elements need to move (animate) from...

Show HN: Multi UPS SNMP based shutdown https://ift.tt/CperPaf March 29, 2025 at 02:02AM

Show HN: Kanji Game – Learn the most frequent kanji by English meanings https://ift.tt/BMmWJIr March 29, 2025 at 12:30AM

Show HN: zxc – terminal TLS intercepting proxy in Rust with tmux and Vim as UI - Disk based storage. - Custom http/1.1 parser to send malfor...

Show HN: Rabbit – AI That Uses the Browser to Do the Tasks You Hate https://runrabbit.ai/ March 28, 2025 at 01:51AM

Show HN: SSH LLM Honeypot Caught a Threat Actor – Here's What I Learned First documented case of a threat actor interacting with an AI-b...

Show HN: Taildrops – Free Tailwind CSS 4 code snippets Free Tailwind CSS 4 Components — and this is just the beginning! I’ve been sharing a ...

Show HN: I made a browser tab management tool called TabTab https://www.tabtab.xyz March 27, 2025 at 02:50AM

Show HN: I made a fetch client builder to make API calls simpler and safer I built this library because I kept rewriting the same fetch wrap...

Show HN: Matrix-themed Nostr note composer https://ift.tt/UZa1dBN March 26, 2025 at 01:06AM

Show HN: A website for sharing the "Good, Bad, and Why"s of urban spaces Hello HN! We're a small team in Kyoto building a webs...

Show HN: I'm a teacher and built an AI presentation tool Hi, I'm a high school teacher from Australia and I've built what I'...

Show HN: RT – a Rust-powered Twitch and YouTube front end with ad-blocking A minimal Rust & SvelteKit frontend for Twitch and YouTube—wi...

Show HN: We made Document Processing better then https://ift.tt/uhv2q64 March 24, 2025 at 07:54PM

Show HN: X DMs suck so we built a better one https://tweetdm.com/crm March 24, 2025 at 07:22PM

Show HN: Emulating Tamagotchi P1 in the Browser Hi! I wanted to play the original Tamagotchi in my browse but couldn't find any, so I bu...

Show HN: IRD – Reversible Debugger for Code and Quantum Algorithms https://ift.tt/4IujmFY March 23, 2025 at 10:24PM

Show HN: AI Associate for lawyers controlled by voice https://www.youtube.com/watch?v=nN5zDAjsEL0 March 24, 2025 at 01:12AM

Show HN: I made an app because I didn't like how you unfollow subs on Reddit https://ift.tt/XHeAw7K March 23, 2025 at 11:21PM

Show HN: Don't click this button – testing the internet's patience This weekend I was looking for a side project to play around with...

Show HN: DAPS – Prime-Adaptive Search for Discontinuous Optimization Problems I've been working on a global optimization algorithm that ...

Show HN: I build a tool that will tell you what to respond in negotations After reading the book Getting to Yes, I really want some tool to ...

Show HN: I Made a Language to Be JavaScript's Nanny I'm working on a language called Chicory. It's yet-another compiles to JS(X)...

Show HN: I made a VS Code snippets extension to store code easier https://ift.tt/ihPCV15 March 22, 2025 at 09:53AM

Show HN: I built Envs.AI – Free env variable manager for dev teams Hi HN, I built Envs.AI, a free tool to solve the headache of managing env...

Show HN: Get hired faster by reaching decision-makers early I built Insider Openings because I know how frustrating job searching can be. Yo...

Show HN: Personal Best, the highest-ranking personal blogs of Hacker News https://ift.tt/z27BGwc March 21, 2025 at 03:14PM

Show HN: Torch Lens Maker – Differentiable Geometric Optics in PyTorch Hello HN! For the past 6 months I've been working on an open sour...

Show HN: My Attempt to Organize the World of AI Dev Tools I've been exploring the (not so=) amazing potential of AI in coding and have c...

Show HN: Minimal JavaScript/TS framework that made us 10k in 10 days https://ift.tt/vQ8Fuxs March 21, 2025 at 05:35AM

Show HN: JFK-RAG: Find the bullet with the power of AI https://ift.tt/FIPrg6Z March 20, 2025 at 04:56AM

Show HN: I Built My Startup Using My Own AI Tool–Here's What Happened Hey all, I’ve always believed that starting a business should be e...

Show HN: MCP-Kafka – Natural Language Interface for Kafka Commands I built a Model Context Protocol server that allows users to interact wit...

Show HN: I made a worldwide sexual life dashboard The idea is to share data-based insights about sexual life I’ve worked in SexEd startups, ...

Show HN: I made a tool to make presentation-ready slides from a Google sheet The url is https://sheetslide.com Interesting HN automatically ...

Show HN: I indexed 25,000 Shopify stores to build an embedded shopping API Hi HN! I’m working on Agora, an AI search engine for e-commerce p...

Show HN: NoraryChains – Blockchain Notarization Without Middlemen March 18, 2025 at 09:57AM

Show HN: RankAndFile – A Platform for Employee Activism Friends, HNers , countrymen: tl;dr Employee Unions are dead (non-existent in tech). ...

Show HN: I Built an iOS app to locate stray animals https://ift.tt/NGHjAZ0 https://ift.tt/ioFdkr6 March 17, 2025 at 11:05PM

Show HN: A bi-directional, persisted KV store that is faster than Redis we've been working on a KV store for the past year or so which i...

Show HN: Beyond Jira: Lightweight Project Management for Freelancers https://enkitask.com/ March 17, 2025 at 11:02AM

Show HN: Hyper-MCP – a single MCP server with WASM plugin system I wrote this few months ago with the goal to have a single MCP server and a...

Show HN: Create a local RAG AI in 2 minutes https://ift.tt/Sp9mvVR March 16, 2025 at 11:35PM

Show HN: JobMatchAI reads job descriptions for you and filters out bad ones when I was searching for jobs on Linkedin/Ziprecruiter/Indeed, t...

Show HN: Swig – A PostgreSQL-powered job queue system for Go I built Swig, a job queue system for Go that leverages PostgreSQL's advance...

Show HN: ClanPlan – Modern Family Planner https://clanplan.app/ March 15, 2025 at 11:49PM

Show HN: Nash, I made a standalone note with single HTML file Hello HN, I hope it will posted as well. I made a note in single html file. Th...

Show HN: Online Python Compiler with Libraries Hey HN, I just launched this online Python compiler which lets you use popular Python librari...

Show HN: eli – Embedded Lisp Interpreter https://ift.tt/DMVvz8t March 15, 2025 at 03:47AM

Show HN: Open-Source MCP Server for Context and AI Tools Large Language Models (LLMs) are powerful, but they’re limited by fixed context win...

Web Audio Spring-Mass Synthesis https://blog.cochlea.xyz/string.html March 14, 2025 at 10:27PM

Show HN: A website that makes your text look cool anywhere online using Unicode https://ift.tt/K2m5BWk March 14, 2025 at 03:15AM

Show HN: Borderless Venmo Stablecoins are one of the few areas in crypto where end users receive value, other than speculation This wasn’t a...

Show HN: Psychedelic animation generator; (p)art of your next trip Sharing an open source project for creating psychadelic art -- using liqu...

Show HN: Bypass DEI Censorship https://ift.tt/NByqGIu March 13, 2025 at 10:23PM

Show HN: Tabmark-Bookmark New Tab TabMark turns your bookmarks into a new tab page, making your saved bookmarks clear, tidy, and efficient, ...

Show HN: Making a Minecraft Server with NixOS on EC2 Why? Mostly because I wanted to do something fun, cost effective, and learn a bit about...

Show HN: Shared-Lock – Go-based implementation of distributed lock service Hi HN! I'd like to share with you really small but fast imple...

Show HN: Simple Turn Servers for WebRTC – 5GB Free, $0.20/GB After https://turnwebrtc.com/ March 12, 2025 at 11:57PM

Show HN: Daylight – track sunrise / sunset times in your terminal https://ift.tt/HL92dhm March 9, 2025 at 01:21PM

Show HN: AI-powered root cause analysis with the Five Whys method https://ift.tt/U1xWhkY March 12, 2025 at 02:46AM

Show HN: Factorio Learning Environment – Agents Build Factories I'm Jack, and I'm excited to share a project that has channeled my F...

Show HN: Seven39, a social media app that is only open for 3 hours every evening I built this site as a quick test if a time boxed social me...

Show HN: Hot Design – Like Hot Reload, but a Runtime Visual Designer Hi HN, Nick here, from the open-source Uno Platform team. You are likel...

Show HN: Chrome Extension for ChatGPT to organize conversations into folders Hi HN, I'm Alex, a full-stack developer from Toronto, Canad...

Show HN: A Comprehensive, Compatible Open Source Alternative to Python Requests https://ift.tt/Md0vxrl March 10, 2025 at 08:05AM

Show HN: Wordazzle – Become eloquent by mastering elegant words, powered by AI Wordazzle was born from my desire to learn as many elegant wo...

Show HN: Retrace Extension – A Better Bookmarks Manager Retrace Extension is more than just a bookmark Manager. It offers the ability to sav...

Show HN: I am getting married Here's my wedding website Hi HN, I am getting married soon, and being a software engineer, a wedding websi...

Show HN: Syncing Govee lights with live sports Hello all! Last week, I made a post about making a website so we can sync govee lights with l...

Show HN: Can I run this LLM? (locally) One of the most frequent questions one faces while running LLMs locally is: I have xx RAM and yy GPU,...

Show HN: Mermaiditor – a free mermaid diagram editor Hey HN, This is a mermaid editor with support for projects and multiple diagrams, expor...

Show HN: Open-Source DocumentAI with Ollama https://rlama.dev/ March 8, 2025 at 03:12AM

Show HN: Ming-wm: A 100% keyboard-operated desktop environment in Rust https://ift.tt/pnd6TfG March 7, 2025 at 07:54PM

Show HN: OpenManus – open-source alternative of Manus AI https://ift.tt/8bUB0Xs March 7, 2025 at 02:53AM

Show HN: Ariana – A time travel debugger for PY/JS right in VSCode Hello HN! I've recently released and open-sourced a time travel debug...

Show HN: Uncloud – Uncomplicated container orchestration without control plane Hey HN, I'm building Uncloud — a lightweight clustering a...

Show HN: Search and analyze millions of SEC filings with AI. https://ift.tt/Iu1et6Q March 4, 2025 at 12:56AM

Show HN: Diff filtering, text mapping, and windowed transforms for LLM apps I couldn't find good Python libs to do this so ended up writ...

Show HN: Setting Up and Peering in the DN42 BGP Network Using a MikroTik Router https://ift.tt/ZdVJIkF March 5, 2025 at 09:40PM

Show HN: Tov – a minimalist Bible app for distraction-free reading on iOS Wanted to share a project I've been working on the last year! ...

Show HN: Free Pilot – AI Autocomplete plugin for Vim A simple autocomplete plugin for vim/neovim that can connect to Ollama (local) or OpenR...

Show HN: ArchGW – An open-source intelligent proxy server for prompts Hi HN! This is Salman, Adil, Shuguang and Co working on ArchGW[1] - an...

Show HN: Scholium, Your Own Research Assistant I built an AI-powered research agent designed to efficiently discover, summarize, and cite re...

Show HN: I vibe coded a free screen studio alternative that runs in the browser https://screen.now March 4, 2025 at 08:44AM

Show HN: Graphine – Multimodel AI Chat with Branching Conversations (Beta) Hello Everyone, I'm excited to announce that I'm currentl...

Show HN: FlakeUI https://ift.tt/6Q9FeNt March 3, 2025 at 06:29AM

Show HN: Puffin Tools – Free WebAssembly tools in the browser Hi! I wanted to share my little "adventure" that I had in the past ~...

Show HN: Free Kindle Scribe Weekly Planner Creator https://ift.tt/k5f40xP February 28, 2025 at 02:12PM

Show HN: Prompting LLMs in Bash scripts https://ift.tt/ASF4P10 https://ift.tt/R7eNCBI February 27, 2025 at 08:46PM

Show HN: Image comparison slider in 6 lines of JavaScript https://ift.tt/MavUkdy March 2, 2025 at 11:41PM

Show HN: I built a memory-safe web server in Rust https://ift.tt/nBKGUVO March 2, 2025 at 08:35AM

Show HN: What did you do last week? – Evaluates your 5 bullet points https://ift.tt/Rws5ghH March 2, 2025 at 04:57AM

Show HN: World-Price – Making international pricing transparent and reassuring As someone living outside a country with a popular currency, ...

Show HN: I took over Painteresque, a 14 year old Objective-C app and rebuilt it Around 3 weeks ago, I came across a reddit post from someone...