Top CORE GitHub Repositories & Tools (2026)

Tox Reference implementation for Android

An opinionated HTTP library for .NET applications built on HttpClient message handlers. Provides request de-duplication, prioritised concurrency limiting, speculative background fetching and optional response caching.

An application daemon for Home Assistant written in .NET

automates the entire process of creating a bootable OpenCore hackintosh USB. No manual config.plist editing, no hunting down kexts, no macrecovery commands.

C# .NET 10 Blazor habit tracker application. Works on Web, Windows, Linux, Android, iOS and macOS.

VTuber Camera, macOS app that shows your avatar using CoreMedia I/O's virtual camera.

A library for managing concurrent asynchronous operations in .NET. Provides bounded concurrency, priority scheduling and key-based serialization over a single queue, with Task and IObservable APIs.

A companion toolkit for the standard toolkit.

Sass Compiler Library for .NET Core 3.1/5.x/6.x/7.x without node, using dart-sass as a compiler

Source generator that helps register attribute marked services in the dependency injection ServiceCollection

OpenID 2.0 authentication middleware for ASP.NET Core

Self-hosted web panel for Hysteria 2 & Xray VLESS proxy servers. Features cascade network topology (Forward/Reverse Chain), SSH auto-setup, server groups, load balancing, ACL traffic filtering, API with scopes, webhooks, S3 backups, MCP integration, and subscriptions for Clash/Sing-box/Hiddify.

Network packet processor with a friendly UI for circumventing Deep Packet Inspection (DPI) systems.

Markdown component based on the MudBlazor environment

On-device meeting transcriber for macOS — auto-records Teams/Zoom/Webex, transcribes & separates speakers locally. No cloud. Open-source alternative to Otter/Granola/Fireflies.

ClickHouse .NET Core driver

Fuzzy string matches at full speed

Free, sub-second on-device AI dictation for macOS. Dual engines (Whisper + Parakeet) on Apple Silicon. Optional AI polish on your Mac with EG-1 or S1-mini by Superwhisper, Apple Intelligence (macOS 26), Ollama, or your own OpenAI/Gemini/Claude key. Snippets, custom words, no account, no subscription, audio never leaves your Mac.

A YubiKey SDK for .NET developers

Reactor Kotlin Support