开源 Traditional form: 開源 Pinyin (reading): kāiyuán Definitions: to establish additional sources of revenue (computing) open-source (abbr. for 開放源碼/开放源码 (kāifāngyuánmá)) Characters: 开 - to open; to start, to initiate, to begin 源 - spring; source, root, head; surname Traditional characters: 開 - to open; to start, to initiate, to begin 源 - spring; source, root, head; surname