Univer is an open-source alternative to Google Sheets, Slides, and Docs

A Quiz app build with Laravel+React

The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.

A simple converter to read xlsx and xls files and convert them to JSON.

The modern React DataGrid for building apps — faster

samples browser app and individual samples on how to use Ignite UI for React components

Online Spreadsheet Editor

Export to plain text, css, html, json, csv, xls, xml files from JSON.

Microsoft backed, Excel advanced xlsx workbook generation JavaScript library

QuizQuest is a comprehensive quiz management system designed to simplify the creation, management, and completion of quizzes. It provides a user-friendly interface and integrates Firebase authentication and Firestore database, ensuring secure access and management of quizzes for both admin and student roles.

Add spreadsheet-like behavior to your React app

Build Excel files from JavaScript

Highly performant JavaScript data stream ETL engine.

Turns XLSX into a readable stream.

Excel Extractor :)

Weave together data from diverse sources and display them in different views. Inspired by Excel spreadsheets and Notion.so.

Simple, customizable yet performant spreadsheet for React

A UI5 Component to integrate a Spreadsheet Upload for UI5 Apps.

Powerful virtual data grid smartsheet with advanced customization. Best features from excel plus incredible performance 🔋

Create, edit, and view spreadsheets and documents in various formats like Excel and Word directly within your knowledge base.