Top NIO GitHub Repositories & Tools (2026)

A Swift NIO MQTT v3.1.1 and v5.0 Client

AMXModX module providing APIs for ReHLDS, ReGameDLL, and Metamod plugins (e.g., ReUnion, ReVoice).

Core framework of Soto the Swift SDK for AWS

Utsuwa is an open-source alternative to Grok Companion. This is a platform where you can have a virtual AI waifu that learns and grows with you, bundled with optional mechanics inspired by Japanese dating sim games.

Roblox FastFlag Manager for Windows 10/11. Manage Roblox client settings, organize FastFlag profiles, apply performance configurations, restore defaults and keep multiple Roblox setups in one lightweight desktop utility.

Fast native macOS dictation with Soniox transcription and configurable AI cleanup.

LLM side-kick and data analyst for Elite Dangerous

.NET polycloud storage framework which provides a unified polycloud API across 15+ clouds for Object manipulation, File uploads/downloads, File streaming/seeking, Directory upload/download, Object metadata, Versioning, Tags, Storage tier/class, Presigned URLs and more.

HTTP/2 support for SwiftNIO

Lightweight, flexible HTTP server framework written in Swift