Startup Ideas Bank

Real Startup Ideas, Roasted & Rated

A living bank of startup ideas submitted by founders around the world — each one scored and roasted by AI. Browse for inspiration, see what's being built, then roast your own.

181 startup ideas and counting
Privacy Nightmare: Jmail is a Legal Liability Waiting to Happen
20
Show HN: Jmail – Google Suite for Epstein files
Roasted
JoyAI-Echo: Ambitious Tech, But Who's Paying?
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jd-opensource/JoyAI-Echo — JoyAI-Echo: Pushing the Frontier of Long Audio-Visual Generation JoyAI-Echo 🎬 Pushing the Frontier of Long Video Generation Standalone, inference-
Roasted
An indie hit on Steam is impressive, but sustainability is questionable.
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Show HN: I got laid off from Meta and created a minor hit on Steam Show HN: I got laid off from Meta and created a minor hit on Steam | Hacker News Hacker News new | past | commen
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Typing practice with novels: a niche idea in a crowded market.
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Show HN: I made a site where you practice typing by retyping entire novels Test your typing online by practicing on your favorite literature. Choose a book below to get started, o
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Web Design in 4 Minutes: Fast, But Shallow and Crowded
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Show HN: Web Design in 4 minutes Let's say you have a product, a portfolio, or just an idea you want to share with everyone on your own website. Before you publish it on the inter
Roasted
Offline WHOOP Companion: A Free, Unsustainable Unicorn
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NoopApp/noop — Offline WHOOP companion — pair your strap over Bluetooth, keep all data on your own device. No cloud, no account, no subscription. NOOP Your strap. Your data. You
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3D scanning the Great Pyramid? More like a pyramid scheme.
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Show HN: I 3D scanned the interior of the Great Pyramid at Giza
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3D Scan of the Great Pyramid: A Fascinating Hobby, Not a Business
45
Show HN: I 3D scanned the interior of the Great Pyramid at Giza
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Meta-harness for AI agents lacks clarity and competitive edge.
58
omnigent-ai/omnigent — A meta-harness for all your AI agents. Omnigent provides a common layer over Claude Code, Codex, Pi, and the agents you write yourself: swap or combine harn
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A new puzzle idea with no moat and unclear demand.
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Show HN: I may have created a new type of puzzle
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Non.io: A Reddit Clone With a Subscription Model That Nobody Asked For
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Show HN: Non.io, a Reddit-like platform Ive been working on for the last 4 years Nonio About Feedback Logout Thanks for choosing to sign up
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A single-file web server in 2023? Good luck.
45
Show HN: Redbean – Single-file distributable web server
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A glitchy proof-of-concept that over-promises and under-delivers
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b-nnett/goose — Goose Swift proof-of-concept README Goose - Local Companion for WHOOP 5.0 Alpha proof of concept. This build is for developers to evaluate whether a project of t
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Nostalgia doesn't pay the bills
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Show HN: A retro video game console I've been working on in my free time This post serves as an introduction to a “homebrew” video game console made from scratch, using a lot of i
Roasted
A niche product with technical flair but dubious market viability.
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cpaczek/skylight — Project the aircraft passing overhead onto your ceiling in real time, from an RTL-SDR — with a live sky layer (sun, moon, stars, ISS) and where each plane is hea
Roasted
If YouTube Channels Were Actually Channels
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Show HN: If YouTube had actual channels YTCH Settings show channel name show captions show video title Contact [em
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Text-to-Lottie: Nice Concept, But Will Anyone Pay?
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diffusionstudio/lottie — Generate production-ready Lottie animations with Claude Code or Codex Text-to-lottie is an open-source framework for generating production ready Lottie an
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An open-source laptop that’s more DIY fantasy than a viable business.
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Show HN: I made an open-source laptop from scratch I do not think there is any thrill that can go through the human heart like that felt by the inventor as he sees some creation o
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Predicting Hacker News Headlines 10 Years Out
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Show HN: Gemini Pro 3 imagines the HN front page 10 years from now Hacker News Y Hacker News new | past | comments | ask | show | jobs | submit login
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Self-upvoting app: a terrible idea with zero market potential
15
Show HN: This up votes itself
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Automated Codebase Audit and Planning for Developers
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shadcn/improve — Use your most capable model to audit your codebase and write plans for cheaper models to execute. improve An agent skill that audits any codebase and writes imp
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MiMoCode: Aiming High with AI-Driven Coding Assistance
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XiaomiMiMo/MiMo-Code MiMoCode MiMo Code: Where Models and Agents Co-Evolve 中文 | English Website | Blog MiMoCode is a terminal-native AI coding assistant. It can r
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AI Plugin for Efficient Code Writing
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DietrichGebert/ponytail — Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote. Ponytail He says nothing. He writes one
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Forge AI wants to build a talent pipeline for AI engineers through continuous assessment and real-world projects.
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Forge AI is building the infrastructure that transforms motivated individuals into verified, job-ready AI engineers. Through continuous assessment, real-world engineering projects,
Roasted ET