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Show HN: Marmot – Single-binary data catalog (no Kafka, no Elasticsearch)

https://github.com/marmotdata/marmot
43•charlie-haley•1h ago•7 comments

Show HN: RunMat – runtime with auto CPU/GPU routing for dense math

https://github.com/runmat-org/runmat
9•nallana•1h ago•2 comments

Show HN: Open-source full-stack starter built on TanStack Start

https://github.com/BearStudio/start-ui-web
6•ivandalmet•48m ago•1 comments

Show HN: A simple Markdown note app with templates and PDF support

https://www.panto.app
3•peterwoodman•1h ago•2 comments

Show HN: CoThou – Control what AI search engines say about your business

https://cothou.com/
2•MartyD•1h ago•0 comments

Show HN: Webclone.js – A simple tool to clone websites

https://github.com/jademsee/webclone
15•jadesee•11h ago•3 comments

Show HN: I wrote a book for software engineers, based on 11 years at Uber

https://rfonti.gumroad.com/l/playbook
4•ten-fold•1h ago•2 comments

Show HN: RFC Hub

https://rfchub.app/
27•tlhunter•23h ago•9 comments

Show HN: Doomscrolling Research Papers

https://www.openpaperdigest.com/
10•davailan•6h ago•5 comments

Show HN: Elf – A CLI Helper for Advent of Code

https://github.com/cak/elf
3•cak•6h ago•3 comments

Show HN: An AI zettelkasten that extracts ideas from articles, videos, and PDFs

https://github.com/schoblaska/jargon
34•schoblaska•22h ago•7 comments

Show HN: Visual, local-first data tool

https://columns.dev/
3•rafferty97•6h ago•1 comments

Show HN: I want food – Simple swipe based restaurant discovery app

https://iwant.food/
4•b44rd•7h ago•2 comments

Show HN: I was reintroduced to computers: Raspberry Pi

https://airoboticist.blog/2025/12/01/i-was-reintroduced-to-computers-raspberry-pi/
4•observer2022•7h ago•1 comments

Show HN: Boing

https://boing.greg.technology/
765•gregsadetsky•2d ago•144 comments

Show HN: FFmpeg Engineering Handbook

https://github.com/endcycles/ffmpeg-engineering-handbook
14•endcycles•1d ago•0 comments

Show HN: Real-time system that tracks how news spreads across 200k websites

https://yandori.io/news-flow/
251•antiochIst•6d ago•70 comments

Show HN: Nano PDF – A CLI Tool to Edit PDFs with Gemini's Nano Banana

https://github.com/gavrielc/Nano-PDF
171•GavCo•2d ago•39 comments

Show HN: Fixing Google Nano Banana Pixel Art with Rust

https://github.com/Hugo-Dz/spritefusion-pixel-snapper
187•HugoDz•6d ago•34 comments

Show HN: Explicode – Write Markdown in code comments

2•ben8888•12h ago•0 comments

Show HN: Watsn.ai – Scarily accurate lie detector

https://watsn.ai/
3•flx1012•13h ago•2 comments

Show HN: NeurIPS 2025 Poster Navigator

https://neurips2025.tiptreesystems.com/
3•martincsweiss•15h ago•0 comments

Show HN: KiDoom – Running DOOM on PCB Traces

https://www.mikeayles.com/#kidoom
361•mikeayles•6d ago•49 comments

Show HN: Net RazorConsole – Build Interactive TUI with Razor and Spectre.Console

https://razorconsole.github.io/RazorConsole/
3•BigBigMiao•15h ago•0 comments

Show HN: Furnace – the ultimate chiptune music tracker

15•hilti•1d ago•0 comments

Show HN: Glasses to detect smart-glasses that have cameras

https://github.com/NullPxl/banrays
503•nullpxl•4d ago•193 comments

Show HN: My pushback against ANPR carparks in the UK

https://www.getstung.io/
2•keooodev•19h ago•0 comments

Show HN: Identifiy test coverage gaps in your Go projects

https://github.com/LeanerCloud/testvet
8•alien_•1d ago•1 comments

Show HN: Cm-colors –I got tired of manually fixing wcag contrast,so I made this

https://github.com/comfort-mode-toolkit/cm-colors
5•lalithaar•20h ago•0 comments

Show HN: An LLM-Powered Tool to Catch PCB Schematic Mistakes

https://netlist.io/
54•wafflesfreak•3d ago•29 comments
Open in hackernews

Show HN: CoThou – Control what AI search engines say about your business

https://cothou.com/
2•MartyD•1h ago
I built CoThou after seeing search and AI answer engines give completely incorrect information about my company. Turns out, they prioritize structured, citable content, so I reverse-engineered how they choose sources and built CoThou to become the source of truth.

How it works For businesses: Create a company profile. When search and AI answer engines are asked about your company, they’ll cite your company profile and its content, not Wikipedia or outdated info.

For publishers and knowledge workers: Publish at your personal profile with proper citations (300M+ academic papers indexed). When someone asks search and AI answer engines about your topic, it will cite your work linking to your profile and allowing citation tracking.

Try it now (unlimited during beta): → https://cothou.com

It’s v0.01 and rough around the edges. Try it and let me know what breaks.

What’s next: Currently training a custom 32B MoE (Mixture of Experts) LLM with 3B active parameters scheduled to go live in Q1/2026. The key difference: it breaks down complex queries into parallel subtasks that execute live on an infinite canvas. You’ll see agents plan and build in real time, instead of waiting for a progress bar.

Examples: “Write a 300-page book on the history of computing” “Create a 60-second TikTok ad for my SaaS”

It handles research, outlines, storyboarding, asset generation, voice-overs, and music simultaneously.

Since only ~3B parameters are active per token, it runs 8–10× cheaper and faster than dense 32B models, while still matching or outperforming premium models on reasoning, coding, and long-context tasks.

Building through partnerships with NVIDIA Inception and Microsoft for Startups.

Would love HN feedback on: - Improving citation accuracy - Building trust with AI parsers - What sources to add next (currently 100M companies + 300M academic papers) - Anything else

Marty (Founder)