Life & fun · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Xcell – Reactive, spreadsheet-like calculations in JavaScript launched in 2018; newer entries below may have overtaken it.

1. 1
   X-spreadsheet – A JavaScript canvas spreadsheet for web▲347

   The project has been migrated to @wolf-table/table https://github.com/wolf-table/table - myliang/x-spreadsheet

   2019 · github.com · its alternatives →

2. 2
   NotebookJS▲109

   Scientific computation for JavaScript

   2016 · datazar.com · its alternatives →

3. 3
   X-spreadsheet▲4

   A JavaScript canvas spreadsheet for web

   2019 · myliang.github.io · its alternatives →

4. 4XS
   X-spreadsheet 1.0.28 – A JavaScript canvas spreadsheet for web▲43

   2020 · myliang.github.io · its alternatives →

5. 56S
   6gunz – spreadsheet / programming language / microservices framework▲9

   2018 · 6gu.nz · its alternatives →

6. 6CW
   Create Web Calculators and APIs with Excel Spreadsheets▲9

   2020 · lambdaxl.com · its alternatives →

7. 7AJ
   A JavaScript calculator using the latest ES6 features▲7

   2017 · calculator.portfolio.braham.biz · its alternatives →

8. 8
   Eloquent Javascript▲20

   A modern introduction to Javascript

   2014 · eloquentjavascript.net · its alternatives →

9. 9
   Quadratic JavaScript▲17

   Modern spreadsheet with native JavaScript support

   2024 · quadratichq.com · its alternatives →

10. 10AA
    Automated Artificial Intelligence with Spreadsheets▲5

    2019 · guesswrk.co · its alternatives →

11. 11OS
    Open-source SIMD-accelerated math library for C/C++/C#/Java/FORTRAN▲9

    2013 · yeppp.info · its alternatives →

12. 12
    Xenops: LaTeX editing with automatic asynchronous rendering in Emacs▲5

    An editing environment for LaTeX mathematical documents - dandavison/xenops

    2020 · github.com · its alternatives →

13. 13AT
    A tool to visualize exponential sums▲8

    2019 · anvaka.github.io · its alternatives →

14. 14AT
    AI That Understands Spreadsheets▲8

    2025 · appsource.microsoft.com · its alternatives →

15. 15BC
    Billion Cell Spreadsheets with Incremental Computation▲15

    I figured this might be interesting for some here. This is a demo we built to showcase computation with Feldera (SQL compiled to Rust circuits that evaluate input incrementally): https://github.com/feldera/feldera The gist of it is that if you update a cell, we incrementally update the spreadsheet which means we will only emit a minimal amount of changes for the cells affected by your update. The nice thing about it is that this is something that Feldera does automatically (and it would do that for any SQL that you end up writing, so it doesn't have to be a spreadsheet,…

    2025 · xls.feldera.io · its alternatives →

16. 16JM
    Jindo – minimalist reactive backend for JavaScript applications▲7

    2016 · jindo.io · its alternatives →

17. 17
    SpreadJS – JavaScript Spreadsheets, Grids, and Data Views▲16

    An Enterprise JavaScript spreadsheet solution for delivering Microsoft Excel-like spreadsheet experiences. Excel I/O, charts, tables, 500+ functions, and more.

    2015 · spread.grapecity.com · its alternatives →

18. 18
    Sheets Add-On for Monte-Carlo Simulations▲7

    2020 · gsuite.google.com · its alternatives →

19. 19
    Sliderm – A Dependency-Free JavaScript Slider▲7

    ซื้อหวยออนไลน์ แทงเลขไม่อั้น เว็บแทงหวย หวยไทย หวยลาว หวยหุ้น หวยฮานอย รับแทงไม่อั้น LOTTO มีหวยในแทง 24 ชั่วโมง แทงในเว็บ ไม่ผ่านเอเย่นต์

    2022 · sliderm.com · its alternatives →

20. 20AI
    ATable - Interactive Javascript table component▲7

    2013 · jwoah12.github.com · its alternatives →

21. 21OP
    Object Playground - The definitive guide to object-oriented JavaScript▲5

    2013 · objectplayground.com · its alternatives →

22. 22
    Natto – a canvas for writing and manipulating JavaScript▲5

    2021 · natto.dev · its alternatives →

23. 23PR
    Programmable Recipes with Markdown, JavaScript and Handlebars▲5

    2020 · programmablerecipes.com · its alternatives →

24. 24SW
    Spreadsheet web component work in progress▲6

    2021 · i5ik.github.io · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →