Dev tools · alternatives · 2026

24 alternatives to Keikai

Fastest web spreadsheet for Big Data

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

1
Turn an Excel file into a web application▲386
A collection of spreadsheet examples for turning Excel to web, editing online and building spreadsheet applications using Keikai.
2019 · keikai.io · its alternatives →
2
We built the fastest spreadsheet▲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.
2024 · rowzero.io · its alternatives →
3
Keikai 1.0▲85
Turn your Excel files into Web Apps Easily
2019 · keikai.io · its alternatives →
4
Keikai 5 Open Source Spreadsheet▲20
Turn your Excel files into Web Apps Instantly
2020 · keikai.io · its alternatives →
5
Sheetbase▲450
Free, fast and fun way to build modern websites and apps 🛠️
2018 · sheetbase.net · its alternatives →
6
HyperApp – 1k JavaScript framework for building web applications▲303
1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp
2018 · github.com · its alternatives →
7
1kb JavaScript library for building front end applications▲187
1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp
2017 · github.com · its alternatives →
8
Row Zero▲129
The fastest spreadsheet
2024 · rowzero.io · its alternatives →
9
Sheet Ninja▲340
Turn any Google Sheet into a live API in seconds. The fastest way to ship vibe coded apps and frontend projects. Don't overthink it. Just ship it ⚡️
Mar 2026 · sheetninja.io · its alternatives →
10
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 →
11
1 KB JavaScript framework for building front-end applications▲216
1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp
2017 · github.com · its alternatives →
12
GraphFast▲266
The fastest way to create beautiful line graphs
2025 · its alternatives →
13
1 KB JavaScript library for building front end apps▲242
1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp
2017 · github.com · its alternatives →
14
1 KB JavaScript library for building applications▲116
1kB-ish JavaScript framework for building hypertext applications - hyperapp/hyperapp
2017 · github.com · its alternatives →
15
SpreadSimple 2.0▲295
The fastest way to build a website without code
2025 · spreadsimple.com · its alternatives →
16
Stein▲400
Use Google Sheets as your no-setup database
2019 · steinhq.com · its alternatives →
17
Tabledo▲285
Create dynamic websites using data from your spreadsheets
2017 · tabledo.com · its alternatives →
18
WebFrame: F# framework for rapid prototyping with ASP.NET Core▲147
F# framework for rapid prototyping with ASP.NET Core. - RussBaz/WebFrame
2021 · github.com · its alternatives →
19
Stein – Use Google Sheets as a No-Setup Database▲296
Use Google Sheets as your no-setup data store. Build fast and get a familiar interface for managing the data, with the open source Stein. What
2019 · steinhq.com · its alternatives →
20
GRID▲244
Turn your spreadsheets into smart, interactive web documents
2021 · grid.is · its alternatives →
21
Gigasheet▲67
The spreadsheet built for big data
2023 · gigasheet.com · its alternatives →
22
Knack▲94
The simple online database and web app builder
2014 · knack.com · its alternatives →
23
SingleStore Kai▲125
Vector searches & 100X faster JSON analytics
2023 · singlestore.com · its alternatives →
24
LatticeDB – Like SQLite but for graph databases▲190
We have been using graph DBs more and more at work. I found them painful to work with locally and decided to try and build something better.
Aug 2026 · github.com · its alternatives →

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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 →