929 Open source projects that are alternatives of or similar to Epplus

Easy-to-use licensing library for .NET Framework, Mono, .NET Core, and Xamarin products

Spreadsheet for Vaadin Framework

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

Simple, customizable yet performant spreadsheet for React

”Open棟梁”は、長年の.NETアプリケーション開発実績にて蓄積したノウハウに基づき開発した.NET用アプリケーション フレームワークです。 (”OpenTouryo” , is an application framework for .NET which was developed using the accumulated know-how with a long track record in .NET application development.)

Golang library for reading and writing Microsoft Excel™ (XLSX) files.

Python script to validate data in Excel files

Arduino & .NET serial communication library to read/write variables and remote call functions using the Sharer protocol. Works on Windows, Linux and MacOS.

NotifyIcon for .Net Core 3.1 and .Net 5 WPF.

Easy C# API for Distributed Background Tasks/Jobs for .NET Core.

ONLYOFFICE Document Builder is powerful text, spreadsheet, presentation and PDF generating tool

Composing Excel spreadsheets based on a tree of nested components like the HTML DOM.

JupyterLab plugin for viewing spreadsheets, such as Excel .xls/.xlsx workbooks and OpenOffice .ods files

Swan stands for Stuff We All Need. Unosquare's collection of C# extension methods and classes.

📚 SheetJS Test Files (XLS/XLSX/XLSB and other spreadsheet formats)

Unpivot complex and irregular data layouts in R

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!

SeaTable: easy like a spreadsheet, powerful like a database

Roughly translate some Excel spreadsheets to Ruby or C.

Audio playback/capturing engine for C#

A web-based JavaScript（canvas） spreadsheet

The portable version of JetBrains profiler API for .NET Framework / .NET Core / .NET / .NET Standard / Mono

SpreadCheetah is a high-performance .NET library for generating spreadsheet (Microsoft Excel XLSX) files.

Do you have enough savings to fund your business?

An extensions library for EPPlus package to generate and manipulate Excel files easily.

TypeScript/javascript spreadsheet parser, with formulas.

KendoNET.DynamicLinq implements server paging, filtering, sorting, grouping, and aggregating to Kendo UI via Dynamic Linq for .Net Core App(1.x ~ 3.x).

Create advanced Excel spreadsheets using .NET

A cross-platform plotting library for .NET

Create GraphViz DOT graph with .NET / C#

A python module to generate xls/x files from a xls/x template.

Official AngularJS directive for Handsontable

A very simple, yet incredibly powerfull library to generate Excel documents out of objects, arrays, lists, collections, etc.

Moved to codeberg.org - https://codeberg.org/DecaTec/Portable-WebDAV-Library - The Portable WebDAV Library is a strongly typed, async WebDAV client library which is fully compliant to RFC 4918, RFC 4331 and "Additional WebDAV Collection Properties". It is implemented as .NETStandard 1.1 library in oder to be used on any platform supporting .NETS…

A simple way to decorate a class with additional functionality using attributes.

High performance micro-ORM modern Dapper replacement for .NET Standard 2.1 and higher

BulkPDF is a free and easy to use open source software, which allows to automatically fill an existing PDF form with differen values. Only a spreadsheet (Microsoft Excel 2007/2010/2013, LibreOffice or OpenOffice Calc) with the desired values is required.

A pure rust library for reading and writing spreadsheet files

Parsing and validation of Swedish identities such as Personal Identity Number (svenskt personnummer) in .NET.

excel convert to .NET Object | Excel与.NET 对象进行转换，支持公式、多Sheet等功能

.NET documentation generator and live reader. Generate documentation from .NET code and xml comments, fast, quick and easy.

Simple XLSX and CSV to dictionary converter

Unicode Character Inspector & Library providing a subset of the Unicode data for .NET clients.

🚀 快速读写Excel文件，简单高效

The fastest and best ORM lite on C# for MySQL ! -- 友好, 轻量, 极致性能, 无任何第三方依赖, 持续演进~~

A Cosmos storage provider for ASP.NET Core Identity.

Add spreadsheet-like behavior to your React app

Apache Avro serializer for .NET

Excel Formula Beautifer,make Excel formulas more easy to read,Excel公式格式化/美化,将Excel公式转为易读的排版

JupyterLab spreadsheet editor for tabular data (e.g. csv, tsv)

Open-source Airtable-like experience for your database (Firestore) with GCP's scalability. Build any automation or cloud functions for your product. ⚡️✨

Modern .NET Standard client for accessing the Asterisk AMI protocol using async/await and Reactive Extensions (Rx)

Coding Guidelines for C#

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

FFMediaToolkit is a cross-platform video decoder/encoder library for .NET that uses FFmpeg native libraries. It supports video frames extraction, reading stream metadata and creating videos from bitmaps in any format supported by FFmpeg.

Event Sourcing, CQRS and DDD framework for C#/.NET Core.

xlsx-reader is a PHP library for fast and efficient reading of XLSX spreadsheet files. Its focus is on reading the data contained within XLSX files, disregarding all document styling beyond that which is strictly necessary for data type recognition. It is built to be usable for very big XLSX files in the magnitude of multiple GBs.

A simple to use TCP and UDP networking library for .NET. Compatible with Unity.

✅ 一个简单易用的点触验证码 (前端+后端)