Lightweight service virtualization/ API simulation / API mocking tool for developers and testers

Intuitive query builder for React – add advanced filtering to your app

Feature-rich and customizable data grid React component

Extensible interactive notebook platform for .NET. Every built-in feature, from the C# kernel to the dashboard layout, is an extension built on the same public interfaces available to third-party a…

RE# - A high-performance, automata based regex engine with first-class support for intersection and complement operations.

A state machine declared using a fluent syntax, that has a functional usage - pass in state and a trigger, returns new state and commands.

Mocking Entity Framework Core operations such ToListAsync, FirstOrDefaultAsync etc. Author Raman Tsitou

A CLI text-to-speech tool using the Kokoro model, supporting multiple languages, voices (with blending), and various input formats including EPUB books and PDF documents.

A docking layout system.

Compile TypeScript to .NET IL; Use .NET classes in Typescript

CLI Coding Agent not for Vibe-coding, for C# Expert.

Zero Dependency, Zero Overhead, Zero Reflection, Zero Allocation, AOT Safe CLI Framework powered by C# Source Generator.

Information Flow Analysis for C#. Understand What Your Code Really Does

Grafana dashboards for popular .NET OTEL metrics

NativeCompressions is the native binding and high-level API of ZStandard, LZ4 and OpenZL compression library for .NET and Unity.

Termix is a modern, high-performance file manager built for your terminal.

A command line utility to facilitate terraforming your existing Cloudflare resources.

Lightweight workflow engine for .NET Standard

Python tool for converting files and office documents to Markdown.

Embed Python in .NET

A modern, feature-rich OpenAPI/Swagger documentation and testing interface with advanced functionality for API development and testing. Provides interactive API documentation, code generation, coll…

A suite of MCP tools for AIs to analyze and modify C# solutions with high signal, Roslyn powered context.

Blazing-fast, asynchronous MCP server for seamless filesystem operations.

A convenient data structure supporting efficient in-memory indexing and querying, including range queries and fuzzy string matching.

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

Git-based incremental build and testing platform for .NET and .NET Core.

SigNoz is an open-source observability platform native to OpenTelemetry with logs, traces and metrics in a single application. An open-source alternative to DataDog, NewRelic, etc. 🔥 🖥. 👉 Open sour…

Playwright MCP server

Salar.Bois is a compact, fast and powerful binary serializer for .NET Framework. With Bois you can serialize your existing objects with almost no change.