There is a portable app that you don't have on your site. Portable Opera. You can download it at http://www.obermair.net/opera/operausben.htm.
I'm not sure if it's official though.
Edit:Opera is not open source.:-(
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There is a portable app that you don't have on your site. Portable Opera. You can download it at http://www.obermair.net/opera/operausben.htm.
I'm not sure if it's official though.
Edit:Opera is not open source.:-(