Drinkware OS by Tap

What it does

Software to track hydration, calculate personal plastic bottles savings, and find nearby water refill stations. Launched via a QR water droplet sticker. Stickers are $4.99 available for purchase today.

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  Tap2020 · findtap.com · ▲67

  QR based operating system for drinking fountains

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  Snicker2015 · ▲100

  Buy stickers of your Snapchat QR code

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  Q&C Nano Water Dispenser2017 · qcwatercoolers.com · ▲68

  The most energy efficient smart water dispenser

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  Ping Penguin2022 · pingpenguin.com · ▲73

  Personalised scannable stickers that get your stuff back

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  QR Stickers2025 · qr-stickers.com · ▲2

  Editable QR codes on stickers

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  LostTagsMar 2026 · losttags.com · ▲3

  QR stickers that connect finders with owners in seconds

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  Run full iOS 16.5 firmware on Android Devices▲536

  Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

  Dev tools · 5d ago · github.com

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  /dev/null▲503

  a social network for devs

  Dev tools · 8d ago · dev-null.sh

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 28d ago · openbot.run

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  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 26d ago · talanoa.email

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  myPip▲272

  Vibe code, publish, and monetize games with AI

  Dev tools · 12d ago · mypip.dev

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  Doneas▲270

  A daily accountability call with other entrepreneurs.

  Dev tools · 18d ago · doneas.com

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  Admin Portal (by WorkOS)▲1,408

  Pre-built wizard for configuring Single Sign-On (SSO/SAML)

  Dev tools · 2020 · workos.com

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  Sidekick Browser▲1,050

  A productivity browser for becoming focused and unstoppable

  Work · 2020 · perplexity.ai

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  PFPMaker▲1,027

  Create an awesome profile pic from any photo

  Growth · 2020 · pfpmaker.com

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  Screenity▲878

  The most powerful screen recorder for Chrome

  Dev tools · 2020 · chromewebstore.google.com

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  Notion Timeline▲778

  Plot all your projects chronologically

  Work · 2020 · notion.so

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  I Rebuilt MySpace from 2007▲726

  SpaceHey is a retro social network focused on privacy and customizability. It

  Life & fun · 2020 · spacehey.com