Show HN: Generate your personal HN recap for 2025 Hi HN, We wanted to celebrate the new year so we built this little toy. Enjoy it and happy new year! P.S. If you want, take a look at our product (now in early access) - userjam.com https://ift.tt/Vj…

Show HN: I built a universal clipboard that syncs realtime on multiple devices I’m Gopal, the guy behind QuickClip. I built this out of pure frustration. Copying items between my phone and laptop was very painful. Sending notes and links on WhatsApp…

Show HN: Isit2026yet.com – A single-serving site for the New Year https://ift.tt/X7R0BgP December 30, 2025 at 10:20PM

Show HN: Agent Skill + Activity Watcher = productivity hack for 2026 https://ift.tt/OIBAGUN December 29, 2025 at 11:37PM

Show HN: DevCompare – a live, auto-updating comparison of AI coding tools Hi HN, AI coding tools change fast and I kept running into comparisons that were outdated within weeks. So I built DevCompare to automate the whole thing. DevCompare regenerat…

Show HN: Vibe coding a bookshelf with Claude Code https://ift.tt/WfTyo54 December 29, 2025 at 05:22AM

Show HN: See what readers who loved your favorite book/author also loved to read Hi HN, Every year, we ask thousands of readers (and authors) to share their 3 favorite reads of the year. Now you can enter a book/author you love and see what books re…

Show HN: DockMate – Terminal UI for Container Management Build Dockmate - Docker/Podman containers manager TUI application in Go using bubble-tea TUI framework. Features: - Container management (start/stop/restart/remove, logs) - Real-time container…

Show HN: I built an open-source wallpaper gallery for GitHub repos Hey HN, GitHub has hundreds of wallpaper repositories with thousands of images, but actually browsing them is painful. You either clone gigabytes locally or click through the file br…

Show HN: Word-GPT-Plus – Integrate AI and Agent Directly into Word I'm sharing a project I've maintained for two years: a powerful Word plugin called Word-GPT-Plus. It integrates modern AI and agent capabilities directly into your document w…

Show HN: Databasus – open-source backup tool for PostgreSQL, MySQL and MongoDB I had a post in the start of December about Postgresus 2.0: self hosted tool for PostgreSQL. Since then the project changed the name and added support of other databases:…

Show HN: The bedtime, another little bedside clock Hey everyone, I made another bedside clock, because my last one was getting a bit long in the tooth. This is a very straightforward build, because it turned out you don't need to mess with the A…

Show HN: An immutable ostree-based Arch Linux image i've been a big fan of fedora's atomic distros and i decided to make my own but arch based to get the best of both worlds, which is kind of funny now because it looks exactly like silverblu…

Show HN: Mysti – Claude, Codex, and Gemini debate your code, then synthesize Hey HN! I'm Baha, creator of Mysti. The problem: I pay for Claude Pro, ChatGPT Plus, and Gemini but only one could help at a time. On tricky architecture decisions, I w…

Show HN: Ez FFmpeg – Video editing in plain English I built a CLI tool that lets you do common video/audio operations without remembering ffmpeg syntax. Instead of: ffmpeg -i video.mp4 -vf "fps=15,scale=480:-1:flags=lanczos" -loop 0 output…

Show HN: Why is ML inference still so ad-hoc in practice? Every place I’ve seen run more than a couple of ML models in production ends up with a mess of bespoke inference services: different APIs, different auth, different logging, half-working dash…

Show HN: I built a tool to help small teams automate basic analytical tasks Arka (arka.so) is a AI analytics tool that lets you get insights + charts from any (structured or unstructured) data source. I built it because I was getting tired of writin…

Show HN: Domain Search MCP – AI-powered domain availability checker MCP (Model Context Protocol) server that lets AI assistants check domain availability in real-time. Features: - Multi-source: Porkbun, Namecheap, RDAP, WHOIS - Price comparison acro…

Show HN: Coderive – Iterating through 1 Quintillion Inside a Loop in just 50ms Author: Danison Nuñez Project: Coderive Project Type: Programming Language Highlight: Formula-based Execution ## Coderive - Iterating Through 1 Quintillion in a Loop *Sub…

Show HN: Gwt-Claude – Parallel Claude Code sessions with Git worktrees If you like the terminal, Claude Code is already lovely. No IDE needed. The DX friction: it lives in your working directory. Switching branches means stashing, losing context, ju…

Show HN: Mandate – treating AI agents like economic actors, not scripts Hi HN, I’ve been working on a small MVP called Mandate. The idea is simple: AI agents can spend money and call tools, but today we mostly control them with prompts and conventio…

Show HN: ReadHn - Reading list for top HN posts A reading list for top Hacker News posts grouped monthly. Shows top posts by month with read/unread tracking. Set a monthly goal (15, 25, 50), mark posts as you go, see your progress. Features: - Month…

Show HN: The Language Inside C++ [video] https://youtube.com/watch?v=I41gcYUtzcM December 24, 2025 at 04:29AM

Show HN: SatoriDB – embedded vector database written in Rust December 24, 2025 at 02:16AM

Show HN: I built a tool to clear my YouTube's "Watch Later" Video Graveyard I built this because I consume a lot of technical lectures and long-form podcasts on YouTube, but I found myself wasting hours scrubbing through videos just to…

Show HN: Luxury Yacht, a Kubernetes management app Hello, all. Luxury Yacht is a desktop app for managing Kubernetes clusters that I've been working on for the past few months. It's available for macOS, Windows, and Linux. It's built wit…

Show HN: A vibe-coded database GUI https://seaquel.app December 22, 2025 at 10:15PM

Show HN: Python Local Sandbox Code Execution (Podman and Uv) The core idea: @sandbox(dependencies=["pandas"]) turns any function into one that runs inside an isolated Podman container with dependency caching built in on uv. You call it lik…

Show HN: Netrinos – A keep it simple Mesh VPN for small teams I'm the founder at Netrinos. I built a WireGuard-based mesh VPN because remote access has always been a pain. After years of SSH tunnels, IPsec headaches, and the ssh log horror movie…

Show HN: Backlog – a public repository of real work problems AI has made building fast and cheap, but finding the right problems still feels hard. I built World’s Backlog ( https://ift.tt/zT5DebR ) to collect real problems directly from people worki…

Show HN: Yapi – FOSS Terminal API Client for Power Users I shared a previous version of yapi a few months ago in the comments section of a post talking about the insanity of Postman being 'down'. yapi has developed into a more mature project…

Show HN: The Official National Train Map Sucked, So I Made My Own Hi HN, I’m a junior developer. I wanted to share a side project I’ve been working on. The national railway carrier (BDZ) has no public API. They have an official map but the UI is qui…

Show HN: I built a job board that filters "Ghost Jobs" in the Middle East https://camels.work/ December 21, 2025 at 02:07AM

Show HN: Ava – open-source AI voice assistant that runs in the browser Hi HN, I built a voice assistant that runs entirely in the browser. No backend, no API calls. Everything runs on your device. The goal was to see how far browser based AI has com…

Show HN: I built an interactive 3D brain viewer (DK Atlas) I was struggling to understand neuroscience and the word associations between technical terms and where the locations are (anatomically) And quite some of my neuroscience friends are loving …

Show HN: Dbzero – Code as if you have infinite RAM (Python persistence engine) https://ift.tt/w3Gvc8q December 20, 2025 at 04:07AM

Show HN: ZDS – Zig Data Structures A collection of high-performance data structures for Zig. https://ift.tt/9hzvs6G December 19, 2025 at 11:50PM

Show HN: I made an AI agent to interact with resume and make changes as you ask I built an agent that understands your resume content and make changes as you prompt with the real time resume preview. https://resumeup.ai December 19, 2025 at 11:29PM

Show HN: Nano AI - Infinite Canvas AI Image Editor - NanoAI unifies prompt-led generation, guided image transforms, and a precision browser canvas inside one localizedworkspace so teams can jump from concept to polished assets without context switch…

Show HN: Orbit a systems level programming language that compiles .sh to LLVM https://ift.tt/GkrNWo2 December 19, 2025 at 12:54AM

Show HN: An MPSC Queue Optimizing for Non-Uniform Bursts and Bulk Operations Hi HN, I’m a C++ student and I’ve spent the last few months obsessing over concurrent data structures. I’m sharing daking::MPSC_queue, a header-only, lock-free, and unbound…

Show HN: Hackily reverse engineering Cursors tab complete Early days but have made some progress. Cursor just uses so much RAM but the models are too good for me to move. Trying to fix this. https://ift.tt/41aVjNR December 17, 2025 at 06:47PM

Show HN: GhostStream – zero-config hardware-accelerated video transcoding Hi HN, I built GhostStream while working on a self-hosted media server and wanting a simple way to offload video transcoding to whatever hardware was available on the network.…

Show HN: HN++ I know many are happy with the HN frontend. I wrote this for fun and it turned out really useful so I published it. Here are the most important features: - Rainbow indentation: This is inspired by the Rainbow CSV extension - comments o…

Show HN: Mephisto – A RAM-only, ad-free disposable email PWA built with React Hi HN, I built Mephisto because I was frustrated with the current state of disposable email services—most are riddled with intrusive ads, trackers, and captchas. I wanted …

Show HN: I built middleware to connect legacy SOAP APIs to AI agents in 2 weeks After 6 months integrating AI voice agents with old systems, I got tired of fighting SOAP from 2003. Built Hopeless to turn 6-month integrations into 2 weeks. ~70% token…

Show HN: MP3 File Editor / Player for Windows An MP3 editor and player focused on working with multiple files at once. Similar to mp3DirectCut, MP3Gain, and MP3packer. Recent updates add language file import support and expanded keyboard shortcut cu…

Show HN: Autograd.c – a tiny ML framework built from scratch built a tiny pytorch clone in c after going through prof. vijay janapa reddi's mlsys book: mlsysbook.ai/tinytorch/ perfect for learning how ml frameworks work under the hood :) https:/…

Show HN: Footywhoops – MIDI Sequencer Software https://ift.tt/h5KY2HZ December 16, 2025 at 12:16AM

Show HN: Generate Passwords from Regex Constraints https://gruhn.github.io/regex-utils/password-generator.html?constraints=%5E.%7B16%2C32%7D%24%0A%5E%5B%5Cx21-%5Cx7E%5D*%24%0A%5B0-9%5D%0A%5BA-Z%5D%0A%5Ba-z%5D December 15, 2025 at 01:02AM

Show HN: A systems language with runtime reflection and no GC Hi HN, I’ve been working on an experimental programming language called XXML. The project started from a frustration I kept running into across systems languages: Languages with strong ow…

Show HN: Depup – a dependency upgrade advisor for Python projects I built depup, a CLI tool to scan Python dependencies, check PyPI versions, classify upgrade impact, and support CI workflows. Docs: https://saran-damm.github.io/depup/ Repo: https://…

Show HN: PhotoToVideoAI – AI photo to video generator PhotoToVideoAI is an AI-powered tool that turns your photos into dynamic videos. Upload a photo and a prompt, and in about 30 seconds you'll get a high-quality video in resolutions up to 1080…

Show HN: I built time to read all the things I want to I built Read Fast after realising I was saving hundreds of things to read and reading almost none of them. It automatically turns saved content into a scheduled briefing and sends it to my inbox…

Show HN: KV and wide-column database with CDN-scale replication https://ift.tt/GoNDzL7 December 13, 2025 at 10:55PM

Show HN: Kinkora – A creative playground for experimenting with video models Hi Indie Hackers We’re building Kinkora, a creative platform that brings multiple image and video AI models into one place for experimentation and creation. Like many build…

Show HN: I audited 500 K8s pods. Java wastes ~48% RAM, Go ~18% https://ift.tt/A6aS5le December 13, 2025 at 07:23AM

Show HN: Ten Principles of Good Design https://ift.tt/n3syB6X December 12, 2025 at 08:13PM

Show HN: Hands on tutorial for open source contribution https://ift.tt/SrWUVnK December 13, 2025 at 01:25AM

Show HN: Tripwire: A new anti evil maid defense If you have heard of [Haven]( https://ift.tt/NuViGok ), then Tripwire fills in the void for a robust anti evil maid solution after Haven went dormant. The GitHub repo describes both the concept and the…

Show HN: Workmux – Parallel development in tmux with Git worktrees https://ift.tt/54hARgb December 12, 2025 at 03:03AM

Show HN: A minimum viable Markov gibberish generator in 32 lines of Python https://ift.tt/0tAofI5 December 12, 2025 at 02:23AM

Show HN: Jottings; Anti-social microblog for your thoughts I built Jottings because I was tired of my own thoughts getting trapped inside algorithmic feeds where I had to perform. There was a huge mental load before posting something on X or Instagr…

Show HN: Local Privacy Firewall-blocks PII and secrets before ChatGPT sees them OP here. I built this because I recently caught myself almost pasting a block of logs containing AWS keys into Claude. The Problem: I need the reasoning capabilities of …

Show HN: TreatyHopper – Pay Less Taxes https://ift.tt/zm9N8fU December 11, 2025 at 02:23AM

Show HN: 8B Parallel Coordinated Reasoning Model https://ift.tt/6VwhsCc December 11, 2025 at 12:24AM

Show HN: Shellican – A CLI to organize, document, and share shell scripts https://ift.tt/kSDwxnX December 10, 2025 at 06:15AM

Show HN: I made a web piano with recording and playback https://ift.tt/BiKhJf5 December 10, 2025 at 04:45AM

Show HN: I made a fighting game where Elon and Zuck can settle it Browser-based fighting game where you can play as Elon, Zuck, Jensen, Sam, or Sundar. Built it over a couple weekends using Claude Code and Cursor, deployed on Vercel. https://ift.tt/…

Show HN: The Box – Run multiple Claude CLI agents in parallel in the cloud Hey HN, I'm a solo developer and kept running into the same problem: I'd want Claude CLI to work on multiple tasks at once, but locally I could only run one instance …

Show HN: I replaced Markov Chains with Biomechanics to predict word transitions https://ift.tt/PN7CKAS December 9, 2025 at 01:06AM

Show HN: DeChecker – Detect AI-generated text A tiny tool to detect text from ChatGPT/GPT-5/Claude/Gemini/LLaMA. Free and fast: https://dechecker.ai/ https://dechecker.ai December 9, 2025 at 12:40AM

Show HN: Zonformat– 35–60% fewer LLM tokens using zero-overhead notation hey HN! Roni from India — ex-Google Summer of Code(GSoC) @ internet archive, full-stack dev. got frustrated watching json bloat my openai/claude bills by 50%+ on redundant synt…

Show HN: Axo Pass – Unlock SSH/GPG Keys and Secrets with Touch ID on macOS Hi HN! I built an open source macOS app that allows you to unlock your SSH and GPG key passphrases with Touch ID. You can also store secrets and inject them into your dev env…

Show HN: Web app that lets you send email time capsules I had an issue where I would journal stuff, and then never look at what I wrote. So I thought it'll be cool to schedule something that will get sent to you at a later time (like a time caps…

Show HN: Crier – Push notifications via TCP or MQTT (no public IP needed) https://ift.tt/mXKcnI1 December 7, 2025 at 10:50PM

Show HN: I was frustrated of 85% of my technical interviews, I built SharpSkill Hey, My name is Benjamin and as many developers, I was tired to not succeed my technical interviews, for any reasons. I made SharpSkill in order to change that. Real Use…

Show HN: A Markdown document manager in Rust Hi HN, I’m an ex-Amazon engineer. I built Seychl because I was tired of waiting 3 seconds for my notes to load in cloud-based apps. Seychl is a local-first knowledge base designed for speed. UI interactio…

Show HN: AI Paul Graham I built an AI version of Paul Graham, fully powered by the Nia API. * Nia gives coding agents accurate context by indexing entire codebases, documentation, and packages. It fixes hallucinations by letting agents retrieve real…

Show HN: S3 compatible store with 1M IOPS(4K-R,p99~5ms), BYOC in 5min with rust https://ift.tt/I7DPs5F December 6, 2025 at 11:33PM

Show HN: A 2mm micro-bearing ring that spins like a real fidget spinner My motivation was pretty simple: every “spinning ring” I tried felt a bit fake. They don’t actually spin — not like a real bearing. So I wanted to see if I could make one that t…

Show HN: Prophit – The AI Search Engine For Stocks https://ift.tt/MijVw82 December 5, 2025 at 11:59PM

Show HN: Ogblocks – Create Jaw Dropping UIs with Simple Drag and Drop Hello everyone, I’m Karan — officially a Frontend Developer, but honestly, I relate more to being a Design Engineer because crafting beautiful interfaces is what I love most. When…

Show HN: I built a Python library for central bank economic announcement data https://ift.tt/r8NoCg4 December 5, 2025 at 04:49AM

Show HN: Cbor.app – CBOR encoder/decoder with hex visualization Author here: I built this because I wanted to learn about CBOR and how it's build and how it encodes data. I work with it on a almost daily basis, its s binary format that is define…

Show HN: Travel ESIM Comparison https://esimguide.com December 5, 2025 at 01:50AM

Show HN: Who is hiring" search tool with chat / other features Hi HN, There are several tools that help you search through the monthly "Who is Hiring" posts on Hacker News. The primary difference with this one is it includes chat, sem…

Show HN: Walrus – a Kafka alternative written in Rust https://ift.tt/u10mEgl December 1, 2025 at 07:28AM

Show HN: Searchable AI visibility index (15k+ brands, 500 industries) Hey HN, I've been trying to correct for one of the biggest difficulties with moving from SEO -> GEO, which is the lack of public data (in the same way that for SEO we had a…

Show HN: Doubao Seedream 4.5 – next‑gen image creation and editing model Hi HN — we just open‑sourced/released (or “publicly launched”, depending on whether it's open‑source) a new image generation & editing model called Doubao‑Seedream-4.5,…

Show HN: I built alwayswith.us to easily add deceased loved ones into photos Im a software engineer, but I actually fully "vibe coded" this. fully functional, used bolt.new + a little claude code. nano banana pro made it possible. https://…

Show HN: I built a privacy-first UK tax calculator https://ift.tt/fXozVqU December 2, 2025 at 11:32PM

Show HN: I was reintroduced to computers: Raspberry Pi https://ift.tt/nM1J2pZ December 2, 2025 at 01:14AM

Show HN: Webclone.js – A simple tool to clone websites I needed a lightweight way to archive documentation from a website. wget and similar tools failed to clone the site reliably (missing assets, broken links, etc.), so I ended up building a full w…

Show HN: Can you spot AI-generated content? (spoiler: probably not) I built this quiz after realizing how good AI has gotten at mimicking literature, speeches, and images. It's one strike and you're out. It includes AI-generated Shakespeare,…