Handsontable is a JavaScript/HTML5 data grid with spreadsheet look & feel. Available for React, Vue and Angular.

A pure PHP library for reading and writing spreadsheet files

Luckysheet is an online spreadsheet like excel that is powerful, simple to configure, and completely open source.

jExcel is a lightweight vanilla javascript plugin to create amazing web-based interactive tables and spreadsheets compatible with Excel or any other spreadsheet software.

Google Sheets Python API

Excel-like data grid (table) component for React

Create advanced Excel spreadsheets using .NET

Read and write spreadsheet files (CSV, XLSX and ODS), in a fast and scalable way

Full configurable spreadsheet view user interfaces for iOS applications. With this framework, you can easily create complex layouts like schedule, gantt chart or timetable as if you are using Excel.

Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents

SC-IM - Spreadsheet Calculator Improvised -- An ncurses spreadsheet program for terminal

A Python module for creating Excel XLSX files.

ONLYOFFICE Document Server is an online office suite comprising viewers and editors for texts, spreadsheets and presentations, fully compatible with Office Open XML formats: .docx, .xlsx, .pptx and enabling collaborative editing in real time.

🍞🔡 The Powerful Component to Display and Edit Data. Experience the Ultimate Data Transformer!

Visualise data and edit JavaScript code using a spreadsheet interface.

Import JSON into Google Sheets, this library adds various ImportJSON functions to your spreadsheet

A curated list of grid(table) libraries and resources that developers may find useful.

Spreadsheet Architect is a library that allows you to create XLSX, ODS, or CSV spreadsheets super easily from ActiveRecord relations, plain Ruby objects, or tabular data.

Google Sheets Python API v4

The Ruby Spreadsheet by ywesee GmbH

📊📈 Serves up Pandas dataframes via the Django REST Framework for use in client-side (i.e. d3.js) visualizations and offline analysis (e.g. Excel)

An Excel-like grid component for React with custom cell editors, performant scroll & resizable columns

An office suite that combines text, spreadsheet and presentation editors allowing to create, view and edit local documents

📊 Cross-platform user-friendly xlsx library for C++11+

Reusable GridView with excellent performance and customization that can be time table, spreadsheet, paging and more.

Google Spreadsheets R API

📊 Use Google Drive spreadsheets as a simple database

🍃 Automate your personal finances – for free, with no ads, and no data collection.