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Archives for Apr 2025
Show HN: Create your own finetuned AI model using Google Sheets
(137 points |
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Show HN: ART – a new open-source RL framework for training agents
(116 points |
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Show HN: Beatsync – perfect audio sync across multiple devices
(439 points |
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Show HN: A Chrome extension that will auto-reject non-essential cookies
(296 points |
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Show HN: Flowcode – Turing-complete visual programming platform
(176 points |
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Show HN: Sim Studio – Open-Source Agent Workflow GUI
(196 points |
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Show HN: A pure WebGL image editor with filters, crop and perspective correction
(243 points |
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Show HN: I built a hardware processor that runs Python
(983 points |
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Show HN: I made a web-based, free alternative to Screen Studio
(462 points |
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Show HN: I486SX_soft_FPU – Software FPU Emulator for NetBSD 10 on 486SX
(117 points |
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Show HN: Daily Jailbreak – Prompt Engineer's Wordle
(130 points |
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Show HN: I created snapDOM to capture DOM nodes as images with exceptional speed
(120 points |
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Show HN: Bhvr, a Bun and Hono and Vite and React Starter
(128 points |
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Show HN: Remote-Controlled IKEA Deathstar Lamp
(291 points |
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Show HN: AgenticSeek – Self-hosted alternative to cloud-based AI tools
(122 points |
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Show HN: My self-written hobby OS is finally running on my vintage IBM ThinkPad
(575 points |
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Show HN: Formalizing Principia Mathematica using Lean
(188 points |
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Show HN: GS-Calc – A modern spreadsheet with Python integration
(112 points |
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Show HN: Magnitude – open-source, AI-native test framework for web apps
(179 points |
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Show HN: An MCP server for understanding AWS costs
(119 points |
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Show HN: BugStalker - a modern Rust debugger
(115 points |
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Show HN: An interactive demo of QR codes' error correction
(109 points |
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Show HN: I used OpenAI's new image API for a personalized coloring book service
(316 points |
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Show HN: I reverse engineered top websites to build an animated UI library
(156 points |
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Show HN: Lemon Slice Live – Have a video call with a transformer model
(195 points |
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Show HN: Colanode, open-source and local-first Slack and Notion alternative
(147 points |
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Show HN: My from-scratch OS kernel that runs DOOM
(320 points |
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Show HN: Node.js video tutorials where you can edit and run the code
(258 points |
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Show HN: Rowboat – Open-source IDE for multi-agent systems
(161 points |
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Show HN: Morphik – Open-source RAG that understands PDF images, runs locally
(200 points |
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Show HN: I open-sourced my AI toy company that runs on ESP32 and OpenAI realtime
(177 points |
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Show HN: Open Codex – OpenAI Codex CLI with open-source LLMs
(106 points |
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Show HN: Dia, an open-weights TTS model for generating realistic dialogue
(652 points |
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Show HN: Nerdlog – Fast, multi-host TUI log viewer with timeline histogram
(134 points |
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Show HN: JuryNow – Get an anonymous instant verdict from 12 real people
(263 points |
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Show HN: I built an AI that turns GitHub codebases into easy tutorials
(923 points |
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Show HN: Undercutf1 – F1 Live Timing TUI with Driver Tracker, Variable Delay
(301 points |
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Show HN: Goldbach Conjecture up to 4*10^18+7*10^13
(244 points |
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Show HN: I made a Doom-like game fit inside a QR code
(531 points |
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Show HN: Attune - Build and publish APT repositories in seconds
(102 points |
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Show HN: AgentAPI – HTTP API for Claude Code, Goose, Aider, and Codex
(163 points |
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Show HN: Plandex v2 – open source AI coding agent for large projects and tasks
(257 points |
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Show HN: We Put Chromium on a Unikernel (OSS Apache 2.0)
(132 points |
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Show HN: Unsure Calculator – back-of-a-napkin probabilistic calculator
(930 points |
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Show HN: MCP-Shield – Detect security issues in MCP servers
(134 points |
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Show HN: Zero-codegen, no-compile TypeScript type inference from Protobufs
(138 points |
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Show HN: Resurrecting Infocom's Unix Z-Machine with Cosmopolitan
(157 points |
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Show HN: Nissan's Leaf app doesn't have a home screen widget so I made my own
(122 points |
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Show HN: I made a free tool that analyzes SEC filings and posts detailed reports
(292 points |
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Show HN: memEx, a personal knowledge base inspired by zettlekasten and org-mode
(194 points |
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Show HN: Chonky – a neural approach for text semantic chunking
(169 points |
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Show HN: Koreo – A platform engineering toolkit for Kubernetes
(120 points |
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Show HN: Obelisk – a WASM-based deterministic workflow engine
(103 points |
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Show HN: Aqua Voice 2 – Fast Voice Input for Mac and Windows
(140 points |
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Show HN: I built an app to generate story relationships using Mermaidjs
(144 points |
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Show HN: Comparing product rankings by OpenAI, Anthropic, and Perplexity
(125 points |
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Show HN: DrawDB – open-source online database diagram editor (a retro)
(263 points |
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Show HN: Coroot – eBPF-based, open source observability with actionable insights
(162 points |
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Show HN: Connecting an IBM 3151 terminal to a mainframe [video]
(127 points |
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Show HN: Badgeify – Add Any App to Your Mac Menu Bar
(118 points |
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Show HN: Lux – A luxurious package manager for Lua
(268 points |
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Show HN: Browser MCP – Automate your browser using Cursor, Claude, VS Code
(616 points |
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Show HN: Atari Missile Command Game Built Using AI Gemini 2.5 Pro
(136 points |
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Show HN: Uncurl.dev – Convert curl commands to a shareable, executable UI
(115 points |
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Show HN: I built a Rust crate for running unsafe code safely
(113 points |
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Show HN: iPhone 2005 weird "Blob Keyboard" simulator
(129 points |
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Show HN: I built a word game. My mom thinks it's great. What do you think?
(513 points |
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Show HN: OCR pipeline for ML training (tables, diagrams, math, multilingual)
(170 points |
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Show HN: Clawtype v2.1 – a one-hand chorded USB keyboard and mouse [video]
(106 points |
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Show HN: uWrap.js – A faster and more accurate text wrapping util in < 2KB
(121 points |
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Show HN: GitMCP is an automatic MCP server for every GitHub repo
(185 points |
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Show HN: Monkeys.zip – 3000 Monkeys on Typewriters
(145 points |
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Show HN: Hatchet v1 – A task orchestration platform built on Postgres
(240 points |
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Show HN: LocalScore – Local LLM Benchmark
(124 points |
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Show HN: The C3 programming language (C alternative language)
(175 points |
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Show HN: OpenNutrition – A free, public nutrition database
(311 points |
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Show HN: Zxc – Rust TLS proxy with tmux and Vim as UI, BurpSuite alternative
(106 points |
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Show HN: Mermaid Chart VS Code Plugin: Mermaid.js Diagrams in Visual Studio Code
(138 points |
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Show HN: I vibecoded a 35k LoC recipe app
(126 points |
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Show HN: Offline SOS signaling+recovery app for disasters/wars
(163 points |
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Show HN: Zig Topological Sort Library for Parallel Processing
(114 points |
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Show HN: Qwen-2.5-32B is now the best open source OCR model
(211 points |
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Show HN: A Chrome extension to give you back control over short-form videos
(128 points |
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Show HN: Nue – Apps lighter than a React button
(756 points |
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Show HN: Duolingo-style exercises but with real-world content like the news
(472 points |
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