Tesseract is an open source Optical Character Recognition (OCR) Engine. It can be used directly, or (for programmers) using an API to extract printed text from images. This package contains the data needed for processing images in Urdu language.

Resource Description Framework (RDF) is a standard model for data interchange on the Web.

Relational is primarily a tool to provide a workspace for experimenting with relational algebra, an offshoot of first-order logic.

smenu is a command-line utility that allows you to use words coming from the standard input to create a nice selection window just below the cursor. Your selection will then be sent to standard output.