Show HN: Peptide calculators ask the wrong question. I built a better one Most peptide calculators ask the wrong question. They ask: How muc...

Show HN: I built a receipt processor for Paperless-ngx Hi all, I wanted a robust way to keep track of my receipts without needing to keep th...

Show HN: An Open Source Alternative to Vercel/Render/Netlify https://ift.tt/C13ZXnd February 1, 2026 at 01:40AM

Show HN: Foundry – Turns your repeated workflows into one-click commands https://ift.tt/jmRyfDM January 31, 2026 at 01:40AM

Show HN: Using World Models for Consistent AI Filmmaking https://ift.tt/39iFkBK January 30, 2026 at 10:41PM

Show HN: I built an AI conversation partner to practice speaking languages Hi, I built TalkBits because most language apps focus on vocabula...

Show HN: Mystral Native – Run JavaScript games natively with WebGPU (no browser) Hi HN, I've been building Mystral Native — a lightweigh...

Show HN: Play Zener Cards just play zener cards. don't judge :) https://zener.cards January 30, 2026 at 01:39AM

Show HN: We review YC applications for free – with feedback from YC founders Hi HN, We just launched YC Roaster, a free YC application revie...

Show HN: Drum machine VST made with React/C++ Hi HN! We just launched our drum machine vst this month! We will be updating it with many new ...

Show HN: Config manager for Claude Code (and others) – rules, MCPs, permissions I use Claude Code across multiple projects with different co...

Show HN: How would you decide famous SCOTUS cases? https://scotus-quiz.vercel.app/ January 28, 2026 at 03:26AM

Show HN: A simple, transaction-safe SQL migration tool https://ift.tt/M9gsGLo January 28, 2026 at 12:30AM

Show HN: Fuzzy Studio – Apply live effects to videos/camera Back story: I've been learning computer graphics on the side for several yea...

Show HN: A Local OS for LLMs. MIT License. Zero Hallucinations. (Not Crank) The problem with LLMs isn't intelligence; it's amnesia a...

Show HN: LocalPass offline password manager. Zero cloud. Zero telemetry I’ve released LocalPass — a local‑first, offline password manager wi...

Show HN: Mirascope – The LLM Anti-Framework https://ift.tt/HW12BTy January 27, 2026 at 12:06AM

Show HN: FaceTime-style calls with an AI Companion (Live2D and long-term memory) Hi HN, I built Beni ( https://thebeni.ai ), a web app for r...

Show HN: Spine – an execution-centric backend framework for Go Hello Hacker News — greetings from South Korea I’m a backend engineer working...

Show HN: I built an app that blocks social media until you read Quran daily Hey HN, I'm a solo developer from Nigeria. I built Quran Unl...

Show HN: I built a Mac OS App to upload your screenshots to S3 I've been building a bitly alternative in public and built a free side to...

Show HN: Ask CLI – A simple tool to get help with commands from the terminal I want to share Ask CLI, a tool I developed to get help with co...

Show HN: Flux, A Python-like language in Rust to solve ML orchestration overhead https://ift.tt/NCIVT82 January 24, 2026 at 03:24AM

Show HN: AdaL Web, a local “Claude co-work” [video] AdaL is the world’s first local coding agent with web UI. Claude Code has proven that co...

Show HN: Dwm.tmux – a dwm-inspired window manager for tmux Hey, HN! With all recent agentic workflows being primarily terminal- and tmux-bas...

Show HN: We added a CLI for receiving webhooks locally (no ngrok required) https://hookverify.com January 23, 2026 at 11:33PM

Show HN: The firmware that got me detained by Swiss Intelligence https://ift.tt/R63H2GP January 23, 2026 at 05:26AM

Show HN: CleanAF – One-click Desktop cleaner for Windows Hi HN, I built CleanAF because my Windows Desktop kept turning into a dumping groun...

Show HN: pgedge-loadgen for realistic open-source PostgreSQL workload simulation https://ift.tt/vjAOoUn January 22, 2026 at 10:22PM

Show HN: Open-source certificate from GitHub activity I built this as a small side project to learn and experiment, and I ended up with this...

Show HN: Yashiki – A tiling window manager for macOS in Rust, inspired by River https://ift.tt/eURI3Tt January 19, 2026 at 06:51AM

Show HN: Grov – Multiplayer for AI coding agents Hi HN, I'm Tony. I built Grov ( https://grov.dev/ ) because I hit a wall with current A...

Show HN: Fence – Sandbox CLI commands with network/filesystem restrictions Hi HN! Fence wraps any command in a sandbox that blocks network b...

Show HN: LangGraph architecture that scales (hexagonal pattern, 110 tests) I kept hitting the same wall with LangGraph: tutorials show you h...

Show HN: E80: an 8-bit CPU in structural VHDL I built a new 8-bit CPU in VHDL from scratch (starting from the ISA). I felt that most educati...

Show HN: Artificial Ivy in the Browser This is just a goofy thing I cooked up over the weekend. It's kind of like a screensaver, but wit...

Show HN: Whirligig – Tinder for Gigs https://whirligig.live January 19, 2026 at 11:33PM

Show HN: Pdfwithlove – PDF tools that run 100% locally (no uploads, no back end) Most PDF web tools make millions by uploading documents tha...

Show HN: I quit coding years ago. AI brought me back Quick background: I used to code. Studied it in school, wrote some projects, but eventu...

Show HN: Auto-switch keyboard layout per physical keyboard (Rust, Linux/KDE) https://ift.tt/k8EmUwS January 19, 2026 at 01:16AM

Show HN: WebGPU React Renderer Using Vello I've built a package to use Raph Levien's Vello as a blazing fast 2D renderer for React o...

Show HN: Speed Miners – A tiny RTS resource mini-game I've always loved RTS games and wanted to make a game similar for a long time. I t...

Show HN: I built a game on my old phone without knowing what I was building I'm calling this "Vibe Discovery" — distinct from ...

Show HN: Building the ClassPass for coworking spaces, would love your thoughts Growing up in a family business focused on coworking and shar...

Show HN: Making Claude Code sessions link-shareable Hey HN! My name is Omkar Kovvali and I've been wanting to share my CC sessions with ...

Show HN: Commander AI – Mac UI for Claude Code Hi HN, I built Commander, a UI for running multiple AI coding agents in parallel without livi...

Show HN: An open-source form builder that outputs tailwind components https://ift.tt/VOc7IwE January 16, 2026 at 03:10AM

Show HN: Gambit, an open-source agent harness for building reliable AI agents Hey HN! Wanted to show our open source agent harness called Ga...

Show HN: Live Claude permissions using cloud-based decision tables We’ve been building visual rule engines (clear interfaces + API endpoints...

Show HN: Liberty – Hardware-bound secret manager (no more .env files) I got tired of: - .env files committed to Git (seen it happen 100+ tim...

Show HN: IMSAI/Altair inspired microcomputer with web emulator I designed and built a physical replica of a 1970s-style front panel microcom...

Show HN: Chklst – A Minimalist Checklist Welp... I finally shipped. This is my first real project. I wanted a checklist app the way I wanted...

Show HN: Microwave – Native iOS app for videos on ATproto Hi HN — I built Microwave, a native iOS app for browsing and posting short-form vi...

Show HN: Giant JSON Viewer – Open 1GB+ JSON Files on Android (Rust and MMAP) https://giantjson.com/ January 13, 2026 at 11:57PM

Show HN: AsciiSketch a free browser-based ASCII art and diagram editor https://ift.tt/LNxySgi January 13, 2026 at 11:39PM

Show HN: Modern Philosophy Course Fun module on Thales of Miletus—the beginning of philosophy https://ift.tt/wbU0Od2 January 13, 2026 at 01:...

Show HN: Blockchain-Based Equity with Separated Economic and Governance Rights I've been researching blockchain-based capital markets an...

Show HN: Voice Composer – Browser-based pitch detection to MIDI/strudel/tidal Built this over the weekend to bridge the gap between "ca...

Show HN: What if AI agents had Zodiac personalities? A fun game for playing moral dilemmas with friends. I gave 12 AI agents zodiac personal...

Show HN: Play poker with LLMs, or watch them play against each other I was curious to see how some of the latest models behaved and played n...

Show HN: Rank up your local business on Google Maps https://ift.tt/Bh7dTim January 10, 2026 at 05:18AM

Show HN: Miditui – a terminal app/UI for MIDI composing, mixing, and playback https://ift.tt/yX7uaCg January 8, 2026 at 05:57PM

Show HN: Layoffstoday – Open database tracking for 10k Companies Hi HN, I built Layoffstoday, an open platform that tracks tech layoffs acro...

Show HN: Executable Markdown files with Unix pipes I wanted to run markdown files like shell scripts. So I built an open source tool that le...

Show HN: Legit, Open source Git-based Version control for AI agents Hi HN, Martin, Nils, and Jannes here. We are building Legit, an open sou...

Show HN: IceRaidsNearMe – Real-time, crowdsourced map of immigration enforcement I built this to provide transparency around enforcement act...

Show HN: Kerns – A Continuous Research Workspace Most research tools help you collect links. Kerns is built for ongoing research. You define...

Show HN: VaultSandbox – Test your real MailGun/SES/etc. integration I've spent the last few months working on something I wish I'd h...

Show HN: SMTP Tunnel – A SOCKS5 proxy disguised as email traffic to bypass DPI A fast SOCKS5 proxy that tunnels your traffic through what lo...

Show HN: GPU Cuckoo Filter – faster queries than Blocked Bloom, with deletion https://ift.tt/JrFtPOf January 6, 2026 at 11:33PM

Show HN: OSS sustain guard – Sustainability signals for OSS dependencies Hi HN, I made OSS Sustain Guard. After every high-profile OSS incid...

Show HN: RepoReaper – AST-aware, JIT-loading code audit agent (Python/AsyncIO) OP here. I built RepoReaper to solve code context fragmentati...

Show HN: Live VNC for web agents – debugging native captcha on Cloud Run Hi HN, Bhavani here (rtrvr.ai). We build DOM-native web agents (no ...

Show HN: Living Memory Dynamics – "living" episodic memory embedding space I built Living Memory Dynamics (LMD), a Python framewor...

Show HN: CloudSlash – Find AWS waste and generate Terraform state rm commands We've all been there: You find an unused NAT Gateway costi...

Show HN: H-1B Salary Data Explorer Excited to share my New Year’s project. For a long time, I’ve wanted to build H-1B data directly into Lev...

Show HN: Lock In – A goal Mac tracker controlled by commands (7 Days Free) I built a task/goal tracker where the entire UI is one input fiel...

Show HN: Til.re – The URL is your timer, no signup required https://til.re January 4, 2026 at 12:50AM

Show HN: Website that plays the lottery every second https://ift.tt/1I9Gge8 January 3, 2026 at 01:12AM

Show HN: Jot - Offline, source available notetaking/assistant app https://ift.tt/RINA3KD January 2, 2026 at 11:52PM

Show HN: Go-Highway – Portable SIMD for Go Go 1.26 adds native SIMD via GOEXPERIMENT=simd. This library provides a portability layer so the ...

Show HN: Stealth and Browsers and Solvers in Rust hey guys what's up, happy new year to all of you! so basically the link above is a for...

Show HN: Ducklang: Achieving 100x more requests per second than NextJS Duck ( https://duck-lang.dev ) is a statically typed, compiled progra...

Show HN: Enroll, a tool to reverse-engineer servers into Ansible config mgmt Happy new year folks! This tool was born out of a situation whe...