I-Apache OpenOffice (AOO) yinkqubo yesoftware yemveliso yeofisi evulelekileyo. Yenye yeeprojekthi ezilandela i-OpenOffice.org kunye nendlalifa echongiweyo ye-IBM Lotus Symphony. Ngumzala osondeleyo we-LibreOffice kunye ne-NeoOffice. Iqulethe iprosesa yegama (uMbhali), i-spreadsheet (iCalc), isicelo sokubonisa (Impress), isicelo somzobo (Draw), umhleli wefomula (iMathematika), kunye nesicelo solawulo lwedatha (Base). Ifomathi yefayile yeApache OpenOffice yefayile yiOpenDocument Format (ODF), umgangatho we-ISO/IEC. Iyakwazi ukufunda nokubhala uluhlu olubanzi lweefomathi zefayile, ngokuqwalasela ngokukodwa abo bavela kwi-Microsoft Office - nangona, ngokungafaniyo ne-LibreOffice, ayikwazi ukugcina amaxwebhu kwiifom ze-Microsoft ze-post-2007 ze-Ofisi evulekileyo ye-XML, kodwa zingenise kuphela.