Grand Central Dispatch

BlocksKitObjective-C

A collection of Objective-C utilities that simplify and enhance block-based programming.

GCDWebServerObjective-C

A lightweight, GCD-based HTTP server for embedding in iOS, macOS, and tvOS apps, with built-in WebDAV and file uploader.

XMPPFrameworkObjective-C

A modular, thread-safe XMPP framework in Objective-C for building real-time chat apps on macOS and iOS.

AsyncSwift

A Swift library providing syntactic sugar for Grand Central Dispatch (GCD) with chainable async blocks and modern queue support.

libdispatchC

Portable implementation of Grand Central Dispatch (GCD) for concurrent code execution on multicore hardware across Swift platforms.