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.
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Develop Desktop, Embedded, Mobile and WebAssembly apps with C# and XAML. The future of .NET UI
Translated🛠 "Watt Toolkit" is an open-source, cross-platform, multifunctional Steam toolbox.
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
.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.
- dotnet
- maui
- multi-platform
- user-interface
Translated🖱️ A pure Windows right-click menu manager
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.
- nuget
- c-sharp
- dotnet-core
ASP.NET Boilerplate - Web Application Framework
- c-sharp
- best-practices
- aspnet
- aspnetcore
Mono open source ECMA CLI, C# and .NET implementation.
Algorithmic trading and quantitative trading open source platform to develop trading robots (stock markets, forex, crypto, bitcoins, and options).
- trading-strategies
- trading-robots
- trading-platform
- algorithmic-trading-engine
Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.
A composable, cross-platform MVVM framework for .NET inspired by functional reactive programming. It moves mutable state out of the user interface, keeps each feature's logic in one readable place, and makes applications easier to test. Supports WPF, WinForms, WinUI, .NET MAUI, Avalonia, Uno Platform, Blazor and Android.
A simple Blockchain in Python
- blockchain
- cryptocurrency
- bitcoin
- python
Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.
- bitcoin
- bitcoin-payment-gateway
- lightning-network
- payment-gateway
C# pure functional programming framework - come and get declarative!
- c-sharp
- functional-languages
- monads
- monad-transformers
Production Grade Cloud-Ready .NET 10 Starter Kit (Web API + React Client) with Multitenancy Support, and Clean/Modular Architecture that saves roughly 200+ Development Hours! All Batteries Included.
- clean-architecture
- dotnet
- webapi
- multitenancy
Password manager app for Android
- password-manager
- android
- keepass
- keepass2
A light-weight REST API development framework for ASP.NET 10 and newer.
- web-api
- vertical-slice-architecture
- repr-pattern
- minimal-api
SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library. It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
Open singing synthesis platform / Open source UTAU successor
- utau
- vocaloid
- music
- singing-synthesis
A server-side library for sending Push Notifications to iOS (iPhone/iPad APNS), Android (C2DM and GCM - Google Cloud Message), Windows Phone, Windows 8, Amazon, Blackberry, and (soon) FirefoxOS devices!
The .NET MVVM framework for cross-platform solutions, including Android, iOS, MacCatalyst, macOS, tvOS, WPF, WinUI
- mvvmcross
- c-sharp
- xamarin
- mvvm
.NET project templates with batteries included, providing the minimum amount of code required to get you going faster.
- c-sharp
- asp-net
- asp-net-core
- dotnet
Everything search plugin for PowerToys Run
- everything-search
- everything
- powertoys
- run