from the you-can-grep-a-dead-tree-treesheet dept.
Aardappel writes "TreeSheets has been available as freeware for Windows / Linux / OS X since 2008, but is now also Open Source (ZLIB license). TreeSheets is a cross between a spreadsheet (you can create grids) and an outliner (you can create grids inside grids) allowing you to create almost any structure to organize your data in."
Sigmund Freud is alleged to have said that in the last analysis the entire field
of psychology may reduce to biological electrochemistry.