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ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file types to a wide range of destinations.

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.

  • audio-converter
  • avalonia
  • batch-conversion
  • converter

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.

The fast, precise document-intelligence engine for every language: text, tables and metadata from 100+ formats, with OCR, transcription and code intelligence.

  • text-extraction
  • document-intelligence
  • metadata-extraction
  • pdf-extraction

Free open source office suite with business productivity tools: document and project management, CRM, mail aggregator.

  • onlyoffice
  • collaboration
  • dms
  • document-management

Free Open Source Reporting tool for .NET6/.NET Core/.NET Framework that helps your application generate document-like reports

  • report
  • csharp
  • dotnet
  • report-generator

One of the World's Fastest .NET CSV Parsers. Modern, minimal, fast, zero allocation, reading and writing of separated values (`csv`, `tsv` etc.). Cross-platform, trimmable and AOT/NativeAOT compatible with blazing fast SIMD vectorized parsing.

  • csharp
  • csv
  • csv-parser
  • csv-reader

ETL framework for .NET (Parser / Writer for CSV, Flat, Xml, JSON, Key-Value, Parquet, Yaml, Avro formatted files)

Open-source cross-platform symbolic algebra library for C# and F#. Can be used for both production and research purposes.

  • csharp
  • algebra
  • integration
  • latex

PowerPoint .NET library for reading, modifying, and generating PPTX presentations without Microsoft Office

  • openxml
  • powerpoint
  • pptx
  • dotnet

C# .NET 10 Blazor habit tracker application. Works on Web, Windows, Linux, Android, iOS and macOS.

  • blazor
  • blazor-server
  • blazor-wasm
  • blazor-webassembly

Turn any website into clean, structured data: Markdown, metadata and links from one page or a whole site, in every major language.

  • crawling
  • csharp
  • elixir
  • ffi

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.

  • 20-20-20-rule
  • csharp
  • dotnet-framework
  • eye-care

A C# wrapper written around QPDF, allowing for various operations on PDF documents: transformations, page manipulation, linearization, and more.

  • pdf
  • pdf-lib
  • csharp-pdf