#dotnet

Utilities for executing work inline or offloading to the thread pool based on the current synchronization context.

A utility library providing various method() related operations

A collection of regular expressions that are generated at compile time

A high-performance, reusable StringWriter that avoids unnecessary allocationsby clearing and reusing its internal StringBuilder instance.

A utility library for TimeSpan related operations

A lightweight validation module for validating HTTP Basic Authentication credentials.

A validation module for validating HTTP Basic Authentication credentials in Functions.

A validation module checking for Gmail account existence

Automated .NET SDKs for your APIs

Generated C# SDK based on official Firecrawl OpenAPI specification

High-performance .NET BPE tokenizer — up to 618 MiB/s, competitive with Rust. Zero-allocation counting, multilingual cache, o200k/cl100k/r50k/p50k encodings + HuggingFace tokenizer.json support.

A high-performance, cross-platform framework for analyzing and reverse engineering .NET PE executables. Built in pure Rust, `dotscope` provides comprehensive tooling for parsing CIL (Common Intermediate Language) bytecode, metadata structures, and disassembling .NET assemblies without requiring Windows or the .NET runtime.

General purpose library for Gbx files - data from Nadeo games like Trackmania or Shootmania, written in C#/.NET. It supports high performance serialization and deserialization of 400+ Gbx classes.

.NET Community Toolkit is a collection of helpers and APIs that work for all .NET developers and are agnostic of any specific UI platform. The toolkit is maintained and published by Microsoft, and part of the .NET Foundation.

C#/.NET client library for the Bitfinex.com cryptocurrency exchange REST and WebSocket APIs, supporting Spot and Futures trading and market data with strongly typed models.

.NET framework for A/B testing, feature flags, trial fallback, and observability.

A Semantic Kernel connector that bridges your local Claude Code OAuth session into Microsoft Semantic Kernel — no manual API key management needed.

Async-first .NET workflow and pipeline engine with middleware, branching, parallel execution, and saga support.

Extensions for Revit plugin development

Toolkit for Revit plugin development

One Identity Safeguard Web API C# SDK

An open source fork of Windows Live Writer

Provides an easy way to implement Smart Enums, Value Objects and Discriminated Unions in .NET

Observable .NET object graphs with MQTT, OPC UA, and WebSocket sync

Cross-platform coverage gathering and processing tool set for dotnet/.Net Framework and Mono

Suave is a simple web development F# library providing a lightweight web server and a set of combinators to manipulate route flow and task composition.

A modern, high-performance UUID library for .NET ecosystem. Features time-ordered identifiers, cryptographic security, multiple encoding formats and seamless Guid compatibility. Thread-safe, cross-platform and perfect for distributed systems. 🚀

Fully featured .NET library in C# to build MTConnect Agent, Adapter, and Client Applications. Pre-built Agents with Windows Installers. Support for Windows and Linux. Supports MTConnect Versions up to 2.7. Supports .NET Framework 4.6.1 through .NET 10

Library for interacting with command-line interfaces

A comprehensive and efficient low-contention thread pool for easily managing both sync and async workloads. It provides granular work control, flexible concurrency, and robust error handling.