Apache OpenOffice (AOO) ndi pulogalamu yotseguka yopangira ofesi. Ndi imodzi mwama projekiti olowa m'malo a OpenOffice.org komanso wosankhidwa wa IBM Lotus Symphony. Ndi msuweni wapafupi wa LibreOffice ndi NeoOffice. Lili ndi purosesa ya mawu (Wolemba), spreadsheet (Calc), pulogalamu yowonetsera (Impress), ntchito yojambula (Draw), mkonzi wa fomula (Math), ndi kasamalidwe ka database (Base). Mafayilo osasinthika a Apache OpenOffice ndi OpenDocument Format (ODF), muyezo wa ISO/IEC. Imathanso kuwerenga ndi kulemba mitundu yambiri yamafayilo ena, makamaka makamaka kwa omwe akuchokera ku Microsoft Office - ngakhale, mosiyana ndi LibreOffice, siyingasunge zikalata mu Microsoft's post-2007 Office Open XML formats, koma ingolowetsani.