TEA is a text editor that provides a wide range of text-processing functions (over 100) and the syntax highlighting. There are two branches of TEA: Qt-based and GTK-based.
mn455 is CLI program to maintain short notes under linux console. there are simple tag-system, search and filter. you can use your favorite editor to create and edit notes.
transpose is a fast and efficient command-line tool that transposes (the rows become the columns, the columns become the rows) or reshapes a matrix in plain text. Inputs and outputs can be files or streams.
XWinGreek is small keyboard utility for inputting classical (polytonic) Greek in Unix/Linux systems with XWindow. It supports several encodings and uses dead key input method, like in "Polytonic Greek" keyboard layout from Windows 2000/XP distribution.