wtf do these Objective-C++ repos do?

Popular Objective-C++ repositories on GitHub, each decoded: what it actually does, its stack, and how to run it.

facebookarchive/popPhysics-based animation library for iOS/macOS that adds spring bounces and decay effects beyond Apple's standa
textmate/textmateSource code for TextMate, the graphical text editor for macOS aimed at programmers and writers. Built with Nin
facebookarchive/asyncdisplaykitAsyncDisplayKit (now Texture) was a Facebook-created iOS framework that moved expensive UI work like image dec
facebook/componentkitComponentKit is a React-inspired iOS UI framework from Facebook that lets you describe interfaces declarativel
khronosgroup/moltenvkA compatibility layer that translates Vulkan graphics API calls into Apple's Metal API, letting Vulkan-based g
google/santaSanta is a macOS security tool that controls which programs can run on a computer by intercepting every execut
ogham/rust-bbeditA plugin for the BBEdit text editor on Mac that adds Rust language support, including syntax highlighting, cod
jonluca/node-mac-permissionsA library that lets JavaScript developers check and request macOS system permissions (camera, microphone, cont