Subset – Spreadsheet building blocks on an infinite canvas
Hey HN! We’re excited to show you Subset (https://subset.so)! Subset is a spreadsheet on an infinite canvas where you can drop in spreadsheet building blocks and connect them together to easily build good looking analytical tools. My cofounder and I both worked in finance before this. We quit our jobs and learned to code to build the spreadsheet we always wanted. We got frustrated with how much time was wasted recreating the same thing from scratch or trying to extract something reusable from a previous spreadsheet. We wanted a spreadsheet with more composability and a community of…
In plain words
Subset is a spreadsheet built on an infinite canvas that lets users combine reusable building blocks to create analytical tools. Designed for finance professionals and data analysts, it addresses the problem of recreating spreadsheets from scratch by emphasizing composability and reusability. The canvas-based interface makes data flow visible and helps users quickly build and present data visualizations without the constraints of traditional grid-based spreadsheets.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN! We’re excited to show you Subset (https://subset.so)! Subset is a spreadsheet on an infinite canvas where you can drop in spreadsheet building blocks and connect them together to easily build good looking analytical tools. My cofounder and I both worked in finance before this. We quit our jobs and learned to code to build the spreadsheet we always wanted. We got frustrated with how much time was wasted recreating the same thing from scratch or trying to extract something reusable from a previous spreadsheet. We wanted a spreadsheet with more composability and a community of building blocks to work off of. Why infinite canvas? Reusability is not really a first class concept in a traditional endless spreadsheet grid [1]. A canvas felt more intuitive. You can communicate data flow, better understand inputs/outputs, and quickly make data presentable. Subset is browser based and real-time multiplayer. It is free to use. We haven’t figured out a pricing model yet, but we imagine it’ll be a freemium SaaS model. We’ve spent a lot of time on getting the core spreadsheet functionality as close to Sheets/Excel as possible, but there’s a lot more to do here. This list could be endless, but let us know if we need anything in particular. Here’s a couple templates to explore: Splitting a bill that includes sharing items - https://subset.so/templates/how-to-split-a-bill Calculating the cap rate and cash yield on real estate investments - https://subset.so/templates/quick-real-estate-deal-calculato... We love spreadsheets and we think this combination of a canvas + reusable blocks has the potential to solve some of the biggest challenges with spreadsheets themselves. Let us know what you think! — AJ and Jason [1] https://www.microsoft.com/en-us/research/uploads/prod/2020/0...
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