Dynamically loaded extension libraries for GNU AWK
The gawkextlib project provides several extension libraries for gawk (GNU AWK), as well as libgawkextlib containing some APIs that are useful for building gawk extension libraries. These libraries enable gawk to process XML data, interact with a PostgreSQL database, use the GD graphics library, and perform unlimited precision MPFR calculations.
These extensions work with GNU AWK version 4.1.1 or later.
Framework (scripts, configuration, code) to build free and public services around travel and leisure data. That project makes an extensive use of already existing data sources such as Geonames and dbPedia, and adds some glue around those (eg, links).