Notejumper

What it does

Learning piano notes never has been more fun. Geeky jumps if you tap the right key. Play it in the right moment to hit the notes for even more points. But attention, their flow is getting faster. Crack the highscore and become the jumping notemaster.

• IM
  I made a memory game to teach you to play piano by earJan 2026 · lend-me-your-ears.specr.net · ▲565
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  Learnjust.one2020 · ▲76

  Grow your piano skills with each Google search.

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  Simply Piano2015 · ▲386

  Fast and fun way to learn piano

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  Touch Pianist2015 · ▲224

  Play piano like a pro without playing piano.

• NK
  Note Kitchen – Learn piano chords and scales2018 · note.kitchen · ▲94
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  Flowkey2014 · ▲163

  The easiest way to learn piano

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  Clipto MCP▲640

  Hey HN, We recently built Clipto. It’s a tool that lets you search over terabytes of video, audio, and images on your computer, without relying on the cloud. Motivation: we probably all had this similar experience, we know a moment exists in a video or audio, but finding it takes hours scrubbing the timeline. You can send all the media to process in the cloud, but it’s slow, expensive and raises privacy concerns. So we decided to build our own on-device media search engine. How it works (high level): 1. We ingest video, audio, image; normalize formats via ffmpeg; run content analysis to…

  Work · 23d ago · clipto.com

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  Computable GPU Index (CGI)▲426

  Hey we are Computable. We spent years building trading infrastructure at Jump Trading and Coinbase. From that point of view, compute looks like energy markets before 2000: everything trades through private bilateral leases, there’s no visible price, and nothing can be resold. The same H100 rents at a 2x spread depending on who’s asking, and once you sign a 24-month lease, it can never change hands. So we built a market for GPU nodes, sold by the calendar week. Here are three things you can do on it that you can’t do anywhere else: - Buy exactly the weeks you need. Three nodes for the last…

  Work · 15d ago · getcomputable.com

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  HyNote for Mac▲383

  Free local transcription that is 100% Private

  Work · 22d ago · hynote.ai

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  Scrimba Explain▲325

  Ask any question, get a video back instantly

  Work · 29d ago · scrimba.com

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  The New Calendly▲211

  Handle all of the work before, during, and after meetings

  Work · 22d ago · calendly.com

• IW
  I wrote my own RTS game engine in C▲1,102

  Life & fun · 2021 · github.com

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  Potion▲1,014

  Create custom websites in minutes, all on Notion

  Dev tools · 2021

• 
  Notion API beta▲837

  Connect Notion to the tools you use every day

  Dev tools · 2021 · developers.notion.com

• 
  Vanta▲782

  Your automated security and compliance expert

  Dev tools · 2021 · vanta.com

• 
  The Embedded Entrepreneur▲769

  How to build an audience-driven business

  Growth · 2021 · embeddedentrepreneur.com

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  Stripe Payment Links▲765

  Create a link. Sell anywhere.

  Dev tools · 2021 · stripe.com