1. OS(WinXP, VISTA,...)
2. IDE(RAD2009, RAD2007,...)
3. RDBMS(Firebird, MySQL,...)
4. Components, plugins (DevExpress, FastReport, GExperts,...)
5. Version control system (SVN,CVS,...)
6. Text editor (Notepad++,...)
7. Help maker tools (Help&Manual,...)
8. Install tools (InnoSetup,...)
9. VirtualMachine (VMware,VirtualBox,...)
10. File archiver(7-Zip, WinRar,...)
....