Dotnetcore GitHub Repositories (2026) · Open Source Tools

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

PixiEditor is a Universal Editor for all your 2D needs

a .NET library that can read/write Office formats without Microsoft Office installed. No COM+, no interop.

An enhancement and extension library for Avalonia, bringing the Ant Design design language, modern controls, theming, native integrations, and cross-platform UI capabilities to .NET desktop apps.

Next generation API for .NET

Valour is bringing communities into the future with unique features, blazing performance, and respect for users.

:cake: Cake (C# Make) is a cross platform build automation system.

Cross platform .NET bindings for Vulkan, VMA, SPIRV-Cross and shaderc

🥽 VR Sleeping Utilities

A fast, powerful, CommonMark compliant, extensible Markdown processor for .NET

All in one email sender for .NET. Supports popular senders (SendGrid, MailGun, etc) and Razor templates.

PeachPie - the PHP compiler and runtime for .NET and .NET Core

🍔 A practical and cloud-native food delivery microservices, built with .Net Aspire, .Net 10, Wolverine, Domain-Driven Design, CQRS, Vertical Slice Architecture, Event-Driven Architecture, and the latest technologies.

Whisper.net. Speech to text made simple using Whisper Models

An emulator for the defunct MMORPG WildStar which supports build 16042 (Final Patch)

Write your pipelines in C# !

SQL Runtime without any database

This project contains the source code for the book Essential C# by Mark Michaelis (Addison-Wesley).

🍰 An asp.net core template based on .Net 10, Vertical Slice Architecture, CQRS, Minimal APIs, OpenTelemetry, API Versioning and OpenAPI.

PKMDS: Pokémon Save Editor for Web (no support for game hacks)