Sunwah – PearL Linux (previously spelled as Sun Wah – PearL Linux, abbreviation SWP) is a joint venture of the Hong Kong Polytechnic University and the Sunwah Group (previously spelled as Sun Wah Group). Sunwah – PearL Linux established the (SWP) Sunwah – PearL Linux Training & Development Centre on the university campus in January 2001. SWP promotes open source software (OSS) technology.