CoFound AI

What it does

Have an idea you can't stop thinking about? Cofound AI helps you validate it fast — before writing code or making pitch decks. Get AI feedback on personas, assumptions, market signals, and risks. Built for solo founders and indie hackers. Test before you build

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  Cofoundrs2025 · ▲9

  Test your startup idea in 60s, before writing a line of code

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  Co-Founder Ai2024 · cofounderai.site · ▲266

  Verify your business idea in minutes, with 48 metrics

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  BefoundrNov 2025 · ▲23

  Validate your startup idea in 10 minutes

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  CoFoundr AINov 2025 · cofoundrai.vercel.app · ▲11

  Your AI co-founder for building startups step-by-step

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  Startup Verify2025 · startupverify.com · ▲19

  Stop building products nobody wants. Validate ideas with AI

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  Buildzero2025 · ▲18

  Your AI Co-founder to Validate PMF

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  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 18d ago · spira.ai

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  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 18d ago · rill.love

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  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 19d ago · tej.as

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  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 21d ago · stillwet.art

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  PixVerse R2▲381

  A real-time world model you can explore and change

  AI · 29d ago · world.pixverse.video

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  Beam.win▲378

  Run AI agents on one Mac and use its windows on another

  AI · 4d ago · beam.win

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  Tapflow 2.0▲1,125

  We built Tapflow for devs, designers, PMs, and tech folks who’ve been sitting on internal docs, templates, and systems — but never productized them. Upload a PDF, notes, or workshop deck, and Tapflow drafts a structured product (with chapters, teaser and pricing plans). It’s good for AI kits, onboarding guides, design systems, and frameworks. You can sell through Stripe, LemonSqueezy, or PayPal. Real-time collaboration is in early beta. No site builder, no LMS — clean design and just focused tools to ship. Fully bootstrapped and just launched on PH today →…

  Work · 2025 · tapflow.ai

• C9
  Clippy – 90s UI for local LLMs▲1,122

  Life & fun · 2025 · felixrieseberg.github.io

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  Appwrite Sites▲990

  Appwrite 2.0 brings a new engine, a rebuilt Console, five database types, an S3 API, an OAuth 2.1 server, and organization-level Domains and Firewall.

  Dev tools · 2025 · appwrite.io

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  AI Meeting Notes by Notion▲965

  Perfect meeting memory in Notion

  AI · 2025 · notion.com

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  Den▲948

  Multiplayer AI agent builder

  AI · 2025 · getden.io

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  Raycast for iOS▲870

  Powerful productivity on the go

  AI · 2025 · raycast.com