Total Commander	File manager: copy, move, zip, ftp, compare files, synchronize folders (multi-language, shareware)
PSPad	Text-editor: syntax highlighting, select/edit columns, bookmarks, sort (multi-language, freeware)
LibreOffice.org	Open source office suite: word processor, spreadsheet, presentation, database (multi-language, free)
Firefox	Open source user-friendly webbrowser (multi-language, free)