Object::Pad::SlotAttr::Final provides a third-party slot attribute for Object::Pad-based classes, which declares that the slot it is attached to shall be set as readonly when the constructor returns, disallowing further modification to it.

QuaZip is the C++ wrapper for Gilles Vollant's ZIP/UNZIP package (AKA Minizip) using Trolltech's Qt library. This package contains version 1 of the library, compiled for use with Qt version 5.

LLDB is a next generation, high-performance debugger. It is built as a set of reusable components which highly leverage existing libraries in the larger LLVM Project, such as the Clang expression parser and LLVM disassembler.

Java Compiler-Compiler (JavaCC) is (according to sun) "the most popular parser generator" for use with Java [tm] applications.

libc++abi is another implementation of low level support for a standard C++ library.

This extension implements a set of functions to provide High Availability to Postgres.