Secure na apps ng opisina at produktibo
Gnumeric
Ang Gnumeric ay isang open-source spreadsheet program.
Calligra
Calligra Suite is an office and graphic art suite by KDE. It is available for desktop PCs, tablet computers, and smartphones. It contains applications for word processing, spreadsheets, presentation, vector graphics, and editing databases.
Libre Opisina
Ang Libreoffice ay isang malakas at libreng opisina ng suite, na ginagamit ng milyun -milyong mga tao sa buong mundo.