- 改革开放 gǎigékāifàng Deng's policiesRefers to the economic and social policies initiated by Deng Xiaoping from around 1980.
- 开放性 kāifàngxìng openness
- 开放系统 kāifàngxìtǒng open system
- 门户开放 ménhùkāifàng infitahEgyptian President Sadat's policy of economic opening toward foreign investment and relations with Israel
- 开放源码 kāifàngyuánmǎ open-source(computing) open-source
- 开放源码软件 kāifàngyuánmǎruǎnjiàn open-source softwareopen-source software (OSS)
- 开放日 kāifàngrì open daya day when an institution (such as a school or military base) is open to the general public for visits or inspection
- 开放系统互连 kāifàngxìtǒnghùlián OSIOpen Systems Interconnection, a conceptual model that characterizes and standardizes the communication functions of a computing system
- 开放式网络 kāifàngshìwǎngluò open network
- 开放式系统 kāifàngshìxìtǒng open system