Open list describes any variant of party-list proportional representation where voters have at least some influence on the order in which a party's candidates...

Tennis portal US Open other competitions List of US Open women's singles champions List of US Open men's doubles champions List of US Open women's doubles...

events List of US Open men's singles champions List of US Open women's singles champions List of US Open men's doubles champions List of US Open women's...

This is a list of notable open-source video games. Open-source video games are assembled from and are themselves open-source software, including public...

This is a list of free and open-source software packages, computer software licensed under free software licenses and open-source licenses. Software that...

List of Wimbledon mixed doubles champions Other Grand Slam tournament champions List of Australian Open champions List of French Open champions List of...

The following is a list of French Open champions in tennis: † Not considered to be a Grand Slam event. A French club members only tournament. †† Disputed...

This is an incomplete list of notable applications (apps) that run on iOS where source code is available under a free software/open-source software license...

Tennis portal List of Australian Open singles finalists during the Open Era List of French Open singles finalists during the Open Era List of Wimbledon...

Tennis portal US Open other competitions List of US Open men's singles champions List of US Open men's doubles champions List of US Open women's doubles...