R is a system for statistical computation and graphics. It consists of a language plus a run-time environment with graphics, a debugger, access to certain system functions, and the ability to run programs stored in script files.

X-tile is an application that allows you to select a number of windows and tile them in different ways. Works on any X desktop.

Engrampa is an archive manager for the MATE environment. It allows you to:

VNC stands for Virtual Network Computing. It is, in essence, a remote display system which allows you to view a computing `desktop' environment not only on the machine where it is running, but from anywhere on the Internet and from a wide variety of machine architectures.

flpsed is a WYSIWYG pseudo PostScript editor. "Pseudo", because isn't possible to remove or modify existing elements of a document. But flpsed lets anyone to add arbitrary text lines to existing PostScript 1 documents. Added lines can later be reedited with flpsed.