Doublezero Beta (YC S24)

What it does

Turn your SaaS workflows into self-driving systems. Define your goal once, and our AI handles the rest—connecting apps, handling edge cases, and asking for help when needed. No more building complex automations. Just approve key actions and watch it work.

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  Second2023 · second.dev · ▲299

  AI bots that add features to web apps

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  Everyday on Autopilot2023 · cart.easy.tools · ▲293

  Get 10x more productive with automation & AI

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  DayZero (Beta)2023 · ▲114

  AI engine converting your thoughts into a success blueprint

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  GoCodeo SaaS Builder2025 · github.com · ▲162

  An open-source AI agent that builds full-stack SaaS apps

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  SelfDriving.fyi2020 · selfdriving.fyi · ▲133

  Every single company working on self-driving cars

• AW
  Autopilot written in Keras for Self Driving Cars2019 · littlemountainman.github.io · ▲144

  student, nomad in machine learning

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  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 17d ago · spira.ai

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  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 17d ago · rill.love

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  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 18d 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 · 20d ago · stillwet.art

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  Onepin▲384

  AI voiceover with every name, price and date said right

  AI · 30d ago · onepin.ai

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  PixVerse R2▲381

  A real-time world model you can explore and change

  AI · 28d ago · world.pixverse.video

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  Screen Studio 3.0▲1,832

  Beautiful screen recordings with instant shareable links

  Growth · 2025 · screen.studio

• 
  Tana▲1,665

  Put your notes to work with voice and AI

  AI · 2025 · tana.inc

• IG
  I got laid off from Meta and created a minor hit on Steam▲1,581

  I was at FB/Meta from late 2013 to early 2023, mostly working in the compiler/runtime spaces. I got hit in the spring 2023 layoff wave. I immediately started making games in my newfound free time (a lifelong interest, and I even worked in AA(A?) back ca. ~2000), and in October 2023 I stumbled upon the idea of a roguelike pachinko/plinko game inspired by Luck Be A Landlord. Things snowballed quickly, I started talking to publishers, then worked like crazy through all of 2024, almost the hardest I've ever worked in my career, and launched the game in December 2024. It's sold…

  Work · 2025

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  Tanka▲1,410

  AI Messenger with smart reply & long term memory for teams

  AI · 2025 · tanka.ai

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  Tool Finder▲1,327

  Your shortcut to better software

  AI · 2025 · toolfinder.com

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  I built an app to stop me doomscrolling by touching grass▲1,203

  i wanted to change the habit of reaching for my phone in the morning and doomscrolling away an hour so i built an app to help me. now i have to literally touch grass before accessing my most distracting apps the app is built in swiftui, uses the screen time apis provided by apple and google vision to recognise grass or not i'd love to get your thoughts on the concept.

  Life & fun · 2025 · touchgrass.now