Awesome GitHub RepositoriesSpreadsheet Generators

Polars is a high-performance columnar data processing library designed for efficient analytical workflows. It functions as a structured data library that organizes information into typed columns, utilizing the Apache Arrow memory format to enable zero-copy data sharing and cache-friendly, vectorized operations. The engine is built to handle large-scale tabular datasets, providing both local and distributed analytical runtimes that scale from single-machine environments to multi-node clusters. The project distinguishes itself through a sophisticated lazy query engine that constructs abstract e

EasyExcel is a Java processing library designed for reading and writing XLS, XLSX, and CSV files. It functions as a memory-efficient spreadsheet parser, an object-relational mapper that binds spreadsheet columns to Java class fields, and a stream-based exporter for handling high-volume data. The library distinguishes itself through a streaming model that processes large files row-by-row via listeners to prevent heap memory overflow. It also operates as a template engine, allowing the population of predefined spreadsheet files with dynamic data while preserving original layouts and styles. Br

React-admin is a framework for building data-driven administrative interfaces that connect to REST or GraphQL backends. It provides a comprehensive suite of tools for managing the full lifecycle of administrative applications, including resource-oriented routing, declarative form scaffolding, and context-driven state management. By utilizing a modular adapter-based architecture, the framework abstracts backend communication, allowing developers to build consistent CRUD interfaces that handle data fetching, authentication, and synchronization automatically. The project distinguishes itself thr

This project is a comprehensive educational guide and framework for building web scrapers using Python. It provides a course-based approach to data extraction, combining a Python crawler framework with tutorials on web reverse engineering and network traffic analysis. The project distinguishes itself by covering advanced extraction challenges, including the decryption of obfuscated JavaScript and the bypass of anti-scraping measures. It specifically addresses mobile application scraping through the simulation of user interactions and the interception of network traffic. The capability surfac

Excelize is a Go library designed for reading, writing, and modifying Microsoft Excel files in XML-based formats. It functions as a spreadsheet file parser and generator that enables the programmatic extraction and modification of data. The library includes a streaming spreadsheet processor to handle massive datasets incrementally, preventing system memory exhaustion during large-scale read and write operations. It also provides a chart generator to convert worksheet values or external data sources into visual representations within the spreadsheet. Beyond core file processing, the project c

Excelize is a library for reading and writing spreadsheet files in the Office Open XML format. It provides a comprehensive suite of tools for programmatically creating, modifying, and analyzing workbooks, worksheets, and cell data, ensuring compatibility across various office software suites through structured XML serialization. The library distinguishes itself with a built-in formula calculation engine that evaluates complex mathematical and logical expressions directly against workbook data. It also features a memory-mapped streaming architecture, which allows for the efficient processing o

ExcelJS is a Node.js spreadsheet engine and manipulation library used for reading, writing, and modifying XLSX and CSV files. It functions as a formatting tool and asynchronous streaming parser for generating complex workbooks containing formulas, rich text, and custom styles. The library is distinguished by its ability to process large datasets using asynchronous data streaming and incremental processing, which minimizes memory usage during data extraction and file generation. Its capability surface covers comprehensive data management, including structured tables, named ranges, and cell da

PhpSpreadsheet is a PHP library used for reading and writing spreadsheet files across various formats. It functions as a spreadsheet file generator and an Excel file parser, allowing for the programmatic creation and manipulation of documents compatible with software such as Microsoft Excel and LibreOffice Calc. The library provides capabilities for programmatic spreadsheet generation and data extraction, enabling the conversion of data from spreadsheet files into programmable PHP formats. It also facilitates cross-format spreadsheet conversion, allowing data to be moved between different sta

Laravel-Excel is an integration library for importing and exporting spreadsheet data between Laravel applications and Excel or CSV files. It provides a suite of tools for bidirectional spreadsheet integration, including a system for reading workbooks and mapping data into database models. The library distinguishes itself through a background processing system that handles large imports and exports using chunking and job queues. It supports template-driven exports by converting HTML tables from view templates into spreadsheet cells. The toolset covers broad capabilities for large dataset proc

This is a Laravel Excel integration library used for importing and exporting spreadsheet files within the Laravel framework. It functions as both a spreadsheet data exporter for converting database queries and collections into files and a spreadsheet data importer for mapping workbook data to database models. The library includes an HTML to spreadsheet converter that transforms HTML table templates into downloadable documents to preserve specific layout designs. It supports large dataset exports via background queuing and processes bulk data imports through chunked reading and batch inserts.

PHPExcel is a PHP spreadsheet library used for programmatically reading and writing spreadsheet files in various formats. It utilizes an in-memory spreadsheet model that maps spreadsheet structures to a hierarchy of objects for programmatic manipulation. The library functions as an Office Open XML processor for generating and manipulating XLSX documents and serves as a reader for extracting data and structure from legacy binary XLS files. It also includes tools for CSV data integration and importing. The project provides capabilities for automated report generation and spreadsheet data extra

gspread is a Python client library and API wrapper designed for programmatically interacting with Google Sheets. It serves as a spreadsheet automation library that enables the creation, organization, and management of cloud-based spreadsheets via Python scripts. The library provides a simplified interface for Google Sheets automation, allowing users to read, write, and update data without writing raw HTTP requests. It supports cloud spreadsheet integration, enabling external Python applications to use Google Sheets as a data storage layer. The project covers a broad range of capabilities inc

This is a Go library for reading and writing XLSX files, providing a toolkit for spreadsheet generation and data extraction. It functions as an Office Open XML parser and generator, enabling the creation of workbooks with support for styles, formulas, and metadata. The project features a data mapper that uses Go struct tags and reflection to automatically align spreadsheet rows with structured data. It also includes a validation engine for defining input constraints, such as dropdown lists and error alerts, to control user data entry. The library covers a broad range of capabilities, includi

Reactor Core est une boîte à outils de programmation réactive et une fondation non bloquante pour composer des pipelines de données asynchrones sur la JVM. Il sert de framework de traitement de flux asynchrone et de système de gestion de contre-pression (backpressure), permettant aux développeurs de transformer, filtrer et combiner des séquences d'événements tout en régulant le flux de données entre les producteurs et les consommateurs pour éviter l'épuisement des ressources. La bibliothèque se différencie par un système sophistiqué de planification de la concurrence et un contrôle de flux basé sur la demande. Elle découple le traitement des signaux de threads spécifiques en utilisant un registre de planificateur et fournit des mécanismes pour la propagation de métadonnées immuables sensibles au contexte à travers les frontières asynchrones. Elle dispose également d'outils spécialisés pour la capture de traces au moment de l'assemblage et la planification en temps virtuel pour faciliter le test des opérateurs basés sur le temps. Le projet couvre un large éventail de capacités, incluant le traitement fonctionnel de données pour l'agrégation et le fenêtrage de séquences, une variété de stratégies de récupération d'erreurs comme les tentatives avec backoff exponentiel, et des utilitaires pour faire le pont entre les API de rappel (callback) héritées ou synchrones et les flux réactifs. Elle fournit en outre une instrumentation pour la surveillance des pipelines et une suite d'outils de test pour vérifier les séquences de signaux.

unioffice is a comprehensive document processing suite that provides a PDF document processor, an Open XML document library, a document security toolkit, and a document content extractor. It is designed to programmatically create, read, and modify Word, Excel, and PowerPoint files, as well as generate and edit PDF documents. The project is distinguished by its native language implementation of the Open XML standard, which removes native binary dependencies to simplify container deployments. It features advanced capabilities for digital document security, including hardware-based PDF signing,

Spout est une bibliothèque de traitement de fichiers de tableur et un générateur multi-format conçu pour lire et écrire des fichiers CSV, XLSX et ODS. Il fonctionne comme un parseur basé sur les flux qui traite les fichiers de tableur volumineux de manière incrémentale pour éviter de charger des documents entiers en mémoire. La bibliothèque fournit des capacités pour la génération programmatique de tableurs et l'extraction de données. Elle supporte le stylisme de contenu personnalisé, permettant l'application de polices, d'arrière-plans, de bordures et de formats de nombres à des cellules ou lignes individuelles. Au-delà de l'entrée et de la sortie de fichiers de base, le projet couvre la manipulation de classeurs via l'extraction sélective de feuilles et la modification de contenu spécifique au sein de fichiers existants. Il emploie des stratégies d'optimisation de la mémoire pour gérer le traitement de tableurs à grande échelle indépendamment de la taille totale du fichier.

GAM is a command-line tool for administering Google Workspace and Cloud Identity. It translates command-line arguments into structured API calls, enabling administrators to manage users, groups, organizational units, and domain settings across a Google Workspace environment. The tool handles authentication through OAuth2 flows, service accounts, and workload identity federation, and supports multi-tenant configurations for managing multiple domains or cloud projects from a single installation. GAM distinguishes itself through its batch processing and automation capabilities. It can process la

coobjc is an Objective-C coroutine library that provides await methods and generators to simplify asynchronous programming in Objective-C and Swift. It enables the implementation of non-blocking workflows to eliminate nested callbacks and thread blocking. The toolkit includes a non-blocking Foundation wrapper to convert synchronous Foundation and UIKit APIs into suspendable operations. It provides a lazy sequence generator for producing values on demand via yield, as well as a channel-based communication tool for exchanging data between concurrent tasks using buffered and unbuffered channels.

Ce projet est un serveur Model Context Protocol qui fournit une interface pour les agents IA afin de créer, lire et modifier par programmation des classeurs Excel. Il sert de pont qui permet aux modèles de langage étendus d'effectuer l'automatisation de feuilles de calcul et la visualisation de données. Le serveur permet aux agents IA de générer des graphiques Excel natifs et des tableaux croisés dynamiques à partir de données brutes, transformant des informations structurées en résumés visuels. Il fournit un mécanisme pour la gestion de feuilles de calcul à distance via une couche de connectivité basée sur un protocole. Le système couvre un large éventail de capacités de manipulation de feuilles de calcul, notamment les opérations au niveau des cellules pour les formules et la validation des données, le formatage visuel des plages et les modifications de mise en page. Il gère également la gestion au niveau du classeur, telle que l'extraction de métadonnées, l'organisation des feuilles et la création de tableaux structurés.

XlsxWriter is a library for generating spreadsheets in the XLSX format, functioning as an Excel workbook writer and file generator. It provides the capability to write data, apply cell formatting, and build complex layouts across multiple worksheets. The project distinguishes itself with a memory-optimized writing mode that flushes large datasets to disk row-by-row, enabling the creation of files exceeding 4 GB while minimizing RAM consumption. It also includes a specialized mechanism for embedding binary project files and digital signatures to enable VBA macros and signed scripts within work