The SpatiaLite extension enables SQLite to support spatial (geometry) data in a way conformant to OpenGis specifications, with both WKT and WKB formats.

It can create an archive from scratch but also add/remove entries without decompressing/compressing the whole archive. The goal of the library is to work as fast as possible (its original purpose is to enable fast Android APK deployment). The two main features allowing high-speed are Zipflinger's ability to edit the CD of an archive and its usage of zero-copy transfer when moving entries across archives.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

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

This is the GNU C++ compiler, a fairly portable optimizing compiler for C++.

This is the GNU C++ compiler, a fairly portable optimizing compiler for C++.