Backend APIs, SQL Server database, and Docker deployment tooling for the Bitwarden password manager clients.
High-performance, token-based structured data engine for .NET. A core component of REX, the technology behind CAPCOM's next-generation game engine.
A library for patching, replacing and decorating .NET and Mono methods during runtime
(BETA) AI shouldn't have a meter. Unlimited tokens. Forever. Your machine. Your agent. Use it from anywhere. Terminal-native coding agent powered by local LLMs β 100% open source, free forever, and installed with a single command. Proudly built on C#/.NET, because AI tooling should be infrastructure, not a subscription.
Cosmos is an operating system "construction kit". Build your own OS using managed languages such as C#, VB.NET, and more!
MCP Gateway is a reverse proxy and management layer for MCP servers, enabling scalable, session-aware stateful routing and lifecycle management of MCP servers in Kubernetes environments.
Open-source web application framework for ASP.NET Core! Offers an opinionated architecture to build enterprise software solutions with best practices on top of the .NET. Provides the fundamental infrastructure, cross-cutting-concern implementations, startup templates, application modules, UI themes, tooling and documentation.
C# pure functional programming framework - come and get declarative!
:books: :chart_with_upwards_trend: Plug-and-play class-library project of standard Data Structures and Algorithms in C#
:angel: The ultimate angle brackets parser library parsing HTML5, MathML, SVG and CSS to construct a DOM based on the official W3C specifications.
.NET 10, Angular 22, Clean Architecture, Clean Code, SOLID, KISS, DRY, Mediator Pattern, Folder-by-Feature Structure
A collection of challenge based hack-a-thons including student guide, coach guide, lecture presentations, sample/instructional code and templates. Please visit the What The Hack website at: https://aka.ms/wth
Zero Allocation Text/Structured Logger for .NET with StringInterpolation and Source Generator, built on top of a Microsoft.Extensions.Logging.
A logger for MSBuild that records a structured representation of executed targets, tasks, property and item values.
MSLA/DLP, file analysis, calibration, repair, conversion and manipulation
Generate DTOs, mappings, constructors and LINQ projections from your domain models.
VisualHFT Terminal: open-source observability and decision terminal for electronic trading desks. Live Level 2 order books, microstructure analytics, and quantitative execution monitoring.
Benchmarking infrastructure for applications
The official Firely .NET SDK for HL7 FHIR
Shoko is a media metadata aggregator that solves all of the annoying edge cases that face anime's differing structure from western media. It integrates directly with media software rather than working around things like nfo files or naming conventions.
Tools that provide common build infrastructure for multiple .NET Foundation projects.
Win Application Framework (WAF) is a lightweight Framework that helps you to create well structured XAML Applications.
Schema.org objects turned into strongly typed C# POCO classes for use in .NET. All classes can be serialized into JSON/JSON-LD and XML, typically used to represent structured data in the head section of html page.
Miku is an open-source material conversion pipeline that translates Blender 5.2 Shader Nodes into editable Unity 6 URP Shader Graph assets. Through its target-neutral MaterialIR 2.0 representation and deterministic .mikubundle workflow, Miku preserves material semantics, texture intent, and structured diagnostics across DCC and game-engine boundary
Generic devirtualizer for Agile.NET (SecureTeam/CodeVeil) VM-based method protection β reconstructs CIL by reverse-engineering the runtime DLL structurally, no hardcoded per-build opcode tables.
Flyback is a patchable synthesiser for .NET 10. One graph can generate both a picture and a sound. The visual path and the audio path share the same module graph and are compiled down to the same flat instruction stream.
Simple .NET logging with fully-structured events
NLog - Flexible and Structured Logging for various .NET Platforms