Opera Developer

Opera Developer screenshots

Opera Developer gives you a preview of upcoming Opera products.
Main Window
Opera Developer 25.0 : Main Window

Alternative downloads

Opera Clock
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There have been lots of requests for a small clock; here it is.
Opera SVG Viewer
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The widget uses Opera rendering engine to display multiple SVG files at once.
SenchaSDKTools--Developer-Preview-1
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Sencha SDK Tools - Advanced JavaScript and CSS Project Build Tool.