The 7.0 version of Adobe Photoshop 7 AltiVec Plug-in for Mac was provided as a free download on our website. Adobe Photoshop 7 AltiVec Plug-in for Mac is included in Design & Photo Tools. This free software for Mac OS X is an intellectual property of Adobe Systems, Inc.
From the developer:
Adobe Photoshop 7 AltiVec Plug-in enhances the reliability of Adobe
You may want to check out more software for Mac, such as Adobe Photoshop Lightroom 4, Adobe Photoshop Elements or Adobe Photoshop Express, which might be similar to Adobe Photoshop 7 AltiVec Plug-in.
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