Cross-platform asynchronous I/O

Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports.

A cross-platform library to access USB devices

Library providing helpers for the Linux kernel io_uring support

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Node bindings for libui, an awesome native UI library for Unix, OSX and Windows

Universal configuration library parser

Unified Executors

libunwind official github repo (in need of new / additional maintainer, mail/open issue if interested)

uTorrent Transport Protocol library

a cross-platform library for USB video devices

Rust bindings to the minimalist, native, cross-platform UI toolkit `libui`

libui-ng: a portable GUI library for C. "libui for the next generation"

Lightweight USB device Stack for STM32 microcontrollers

a library version of FreeBSD's TCP/IP stack plus extras

A client library to multiplex connections from and to iOS devices

Kotlin/Native interop to libui: a portable GUI library

My updates to LibUsbDotNet, an excellent library for cross-platform USB device control using Mono/.NET

Glimmer DSL for LibUI - Prerequisite-Free Ruby Desktop Development Cross-Platform Native GUI Library - The Quickest Way From Zero To GUI - If You Liked Shoes, You'll Love Glimmer! - No need to pre-install any prerequisites. Just install the gem and have platform-independent GUI that just works on Mac, Windows, and Linux.

A multi-platform C library to provide global keyboard and mouse hooks from userland.

LibU is a multiplatform utility library written in C, with APIs for handling memory allocation, networking and URI parsing, string manipulation, debugging, and logging in a very compact way, plus many other miscellaneous tasks

mfc skin ui，not directui。视频教程：https://v.youku.com/v_show/id_XNTczMzg5MDky.html 简单来说，LibUIDK是用来开发QQ、360安全卫士那样的漂亮软件界面的。 LibUIDK原来是商业界面库，2019年9月8号开源。是专业开发Windows平台下图形用户界面的开发包，该开发包基于Microsoft的MFC库。使用此开发工具包可轻易把美工制作的精美界面用Visual C++实现，由于LibUIDK采用所见即所得的方式创建产品界面，所以极大的提高了产品的开发速度，并大大增强图形用户界面(GUI)的亲和力。LibUIDK还可以使您的软件轻松具有当今流行的换肤功能，以提高产品的竞争力。 在很多公司或个人研发换肤产品的时候，我们就推出了第一款界面开发工具。与换肤工具不同的是，界面工具贯穿整个项目开发周期，整个项目的界面，都可由LibUIDK完成。LibUIDK提供了比换肤工具彻底的多的界面自由定制功能。 LibUIDK的目标用户: 任何使用MFC的程序开发人员。如果需要使用LibUIDK制作界面，请通知作者，QQ:1584793892。

A very flexible, lightweight and high performance HTTP server library based on libev and http-parser for Embedded Linux.

Modern C++ binding for liburing (io_uring) that features C++ coroutines support

Open-source OPC UA client and server library

A Lightweight and Super Fast Server for shadowsocks.

Yubico Universal 2nd Factor (U2F) Host C Library

Authenticated key-value store (i.e. an urkel tree)

Ultra HDR is a true HDR image format, and is backcompatible. libultrahdr is the reference codec for the Ultra HDR format. The codecs that support the format can render the HDR intent of the image on HDR displays; other codecs can still decode and display the SDR intent of the image.

A Lightweight and fully asynchronous WebSocket client library based on libev