Londiste is a cascaded replication system built on top of PgQ. This extensions contains in-database support code.

Thrift is a software framework for the development of reliable and performant communication and data serialization. It combines a software stack with code generation to build services that operate seamlessly across a number of different development languages.

The Magick++ library is a set of C++ wrapper classes that provides access to the ImageMagick package functionality from within a C++ application.

Lazarus is an IDE to create (graphical and console) applications with Free Pascal, the (L)GPLed Pascal and Object Pascal compiler that runs on Windows, Linux, Mac OS X, FreeBSD and more.

Perl scalars can be either strings or numbers, and normally you don't really care which is which as it will do all the necessary type conversions automagically.

Fungw is a tiny, portable library written in C (C89) that manages dynamic function calls across different programming languages.