Keikai

What it does

Keikai is designed and architected for big data. With frame-based rendering and super light-weight data structure, it is the fastest web spreadsheet regardless of size.

Best open source online spreadsheet that turns your Excel to web apps.

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  Turn an Excel file into a web application2019 · keikai.io · ▲386

  A collection of spreadsheet examples for turning Excel to web, editing online and building spreadsheet applications using Keikai.

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  We built the fastest spreadsheet2024 · rowzero.io · ▲274

  Row Zero is the best spreadsheet for big data. Build secure spreadsheets connected to your data warehouse with a bigger, faster Excel alternative in the cloud.

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  Keikai 1.02019 · keikai.io · ▲85

  Turn your Excel files into Web Apps Easily

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  Keikai 5 Open Source Spreadsheet2020 · keikai.io · ▲20

  Turn your Excel files into Web Apps Instantly

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  Sheetbase2018 · sheetbase.net · ▲450

  Free, fast and fun way to build modern websites and apps 🛠️

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  HyperApp – 1k JavaScript framework for building web applications2018 · github.com · ▲303

  1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp

• 
  /dev/null▲482

  a social network for devs

  Dev tools · 2d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

• 
  OpenBot▲362

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

  Dev tools · 22d ago · openbot.run

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  Talanoa▲343

  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 · 20d ago · talanoa.email

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  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Stripe Billing▲1,030

  Billing and subscriptions for fast-growing businesses

  Dev tools · 2018 · stripe.com

• 
  New Gmail▲935

  The new version of Gmail web

  Work · 2018 · blog.google

• 
  The Business Messenger by Intercom▲905

  More than just chat. Intercom's new app platform.

  Life & fun · 2018 · fin.ai

• 
  1.1.1.1 by Cloudflare▲871

  The Internet’s fastest, privacy-first DNS resolver

  Dev tools · 2018 · one.one.one.one

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  Artboard Studio▲732

  Online graphic design app mainly focused on product mockups.

  Growth · 2018 · artboard.studio

• 
  Grasshopper▲654

  The coding app for beginners by Google

  Dev tools · 2018