Ranked by Attention Score: stars gained over the last 30 complete days
28 repositories by Attention Score · Oct 6, 2026 – Nov 4, 2026 (UTC)
Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.
OfficeCLI is the first and best Office suite purpose-built for AI agents to read, edit, and automate Word, Excel, and PowerPoint files. Free, open-source, single binary, no Office installation required.
Kavita is a fast, feature rich, cross platform reading server. Built with the goal of being a full solution for all your reading needs. Setup your own server and share your reading collection with your friends and family.
MIT-licensed, COM-free .NET libraries for creating, reading, editing, converting, rendering, and extracting Office, PDF, email, OneNote, and text formats.
TranslatedPDF Patcher (PDF补丁丁, "PDF patch") - a PDF toolbox that can edit bookmarks, crop and rotate pages, remove restrictions, extract or merge documents, inspect document structure, extract images, convert to images, and more
QuestPDF is a modern library for PDF document generation. Its fluent C# API lets you design complex layouts with clean, readable code. Create documents using a flexible, component-based approach.
ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML API.
A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET
C# .NET 10 Blazor habit tracker application. Works on Web, Windows, Linux, Android, iOS and macOS.
Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.
Lightweight and fast library written in C# for reading Microsoft Excel files
Open XML SDK by Microsoft
Free Open Source Reporting tool for .NET6/.NET Core/.NET Framework that helps your application generate document-like reports
AI agents can now write 99% of the code. This changes what it means to be a developer. Our role shifts to knowing "what good looks like". To do that, we need completely new developer tools. Tendril is what replaces your IDE in an agentic era.
EPPlus-Excel spreadsheets for .NET
Fast and easy to use .NET library that creates or modifies Microsoft Word files without installing Word.
PowerPoint .NET library for reading, modifying, and generating PPTX presentations without Microsoft Office
Excel-DNA - Free and easy .NET for Excel. This repository contains the core Excel-DNA library.
A set of tools for graph layout and viewing
🌌 Extend and automate Microsoft Office applications using NetOffice framework.
iText for .NET is the .NET version of the iText library, formerly known as iTextSharp, which it replaces. iText represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enha
C# .NET Core wrapper for wkhtmltopdf library that uses Webkit engine to convert HTML pages to PDF.
Implementation of CommonMark specification in C# for converting Markdown documents to HTML. Optimized for maximum performance and portability.
PdfReport.Core is a code first reporting engine, which is built on top of the iTextSharp.LGPLv2.Core and EPPlus.Core libraries
QuickNotes is a plugin for [Microsoft PowerToys Run](https://github.com/microsoft/PowerToys) that allows you to quickly create, manage, and search notes directly from your PowerToys Run interface. Simply type `qq` followed by your note text to save it,
A lightweight Windows tray application that helps you follow the 20–20–20 rule by reminding you every 20 minutes to rest your eyes and look into the distance.