Open Office (http://www.latex-project.org/):
is the Office software, package tons have electronic spreadsheets, word processing not briefing software;
Free Maid (http://freemind.sourceforge.net/wiki/index.php/Main_Page):
Can draw a group of fine structure software, cool school SAKANA once used, bird brother think very good-looking;
AbiWord (http://www.abisource.com/):
Very similar to Microsoft word processing software;
Tex/latex (http://www.latex-project.org/):
Can import line file Version Heung software (many free software files use this editor Oh!) );
Dia (http://dia-installer.de/index_en.html):
Very similar to Microsoft Visio software, can draw flowchart;
Scribus (http://www.scribus.net/):
With the Heung version of the software, to be honest, bird brother really does not use ~@[email protected];
Ganttproject (http://ganttproject.biz/):
Software that can draw a Gantt chart (that is, a schedule table);
GIMP (http://www.gimp.org/):
In the industry is quite famous for drawing free software!
Linux Common software