The 5.1 version of PDFBrowser for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. You can run this program on Mac OS X 10.6 or later. The most popular versions among the program users are 5.1 and 4.5. The bundle identifier for this application is com.kanmo.PDFBrowser. The software lies within Productivity Tools, more precisely Office Tools. The actual developer of this Mac application is Satoshi Kanmo.
From the developer:
PDF Browser is the world's first app designed to browse a large amount of PDF reference manuals or technical documents.
You can open a massive amount of PDF files simultaneously yet quickly, and fast access to target paragraphs or sentences as if you take all the related books off the bookshelf on your Mac.
PDF Browser offers you the best solution to take advantage of handling a large amount of PDF documents on your device.
You may want to check out more software for Mac, such as PitStop Extreme, 3dissue or FileOpenInstaller, which might be related to PDFBrowser.