jamesgober 

High-performance, production-ready multi-source configuration management library for .NET. Supports JSON, YAML, TOML, INI, XML, environment variables, command-line arguments, user secrets, HTTP endpoints, and... More information

A lightweight, high-performance in-process event bus for .NET. Strongly-typed events, async handlers, ordered dispatch, error isolation, and DI integration.

Trie-based HTTP router for ASP.NET Core. Compiled per-route execution chains, static/dynamic/hybrid routing, hot-reload, and built-in parameter constraints.

High-performance rate limiting for .NET APIs. Token bucket, sliding window, fixed window, and concurrency limiting with ASP.NET Core middleware integration.

Immutable audit trail library for .NET 8 with hash chaining, filters, and non-blocking sink dispatch.

A background job queue and scheduled task runner for .NET 8.

Lightweight health checks and readiness probes for .NET services. Built-in checks for databases, HTTP dependencies, disk space, and memory with three-state model, TTL caching, and Kubernetes-ready endpoints.

A multi-tenancy library for .NET 8 ASP.NET Core applications. Resolves tenants from subdomains, headers, paths, or claims. Isolates configuration and data per tenant.

JWT authentication and authorization for .NET APIs.

Structured error handling framework for .NET with RFC 7807 Problem Details.

In-memory and distributed caching for .NET with stampede protection.

High-performance structured logging for .NET with correlation IDs, file rotation, and log enrichment. Built on Microsoft.Extensions.Logging.

Template engine for .NET 8. Compiled rendering, layouts with sections, partials, loops, conditionals, and configurable asset paths.