Top I3 GitHub Repositories & Tools (2026)

😎 A list of awesome projects related to OpenAPI 3.0.x, curated by the community

Agents and skills for building Windows apps with WinUI 3 and the Windows App SDK

Generate Refit interfaces and contracts from OpenAPI (Swagger) specifications

Direct interop Code for .NET Framework, .NET Core and .NET 5+ : DXGI, WIC, DirectX 9 to 12, Direct2D, Direct Write, Direct Composition, Media Foundation, WASAPI, CodecAPI, GDI, Spatial Audio, DVD, Windows Media Player, UWP DXInterop, WinUI3, etc.

Yii3 web application template

openapi_first is a Ruby gem for request / response validation and contract-testing against an OpenAPI API description. It makes APIFirst easy and reliable.

Yii Database Library

Cheapest Money-Saving Self-hosted AI agent workspace with tool calling, MCP, multi-model routing, sandboxed execution, multi-agent workflows, and LLM-authored 3D character animation rendered with Three.js.

A modern hardware monitoring tool for Windows 11 built with WinUI 3.

This app demonstrates the controls available in WinUI and the Fluent Design System.

A RESTful framework built on top of light-4j with both Swagger 2.0 and OpenAPI 3.0 supports

A lightweight macOS & Windows menu bar app for capturing screenshots (PNG), video (MP4), and animated GIFs of a selected screen region.

Yii3 API application template

A high-performance modern auto clicker for Windows

Customize Windows 11 & 10 Font with 100% system coverage , changes font everywhere in Windows including all modern apps and third party apps

ScoopX — A modern Windows development environment manager powered by Scoop. Easily manage PHP, MySQL, Redis, Node.js, and more.

Detect breaking changes between OpenAPI 3.0/3.1 specs. Explainable Web UI, CLI and CI gate; local-first and deterministic, with optional AI summaries.

Free, open-source display control for Windows 11: one brightness slider for every monitor (DDC/CI and laptop panels), night light, focus mode, keep awake, per-monitor taskbar hiding and glass, OLED care, your monitor's own settings, hotkeys and a CLI.

all config files that I use/used

Fan and lighting control for Acer laptops