Blue Crab 5.1.2 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This software for Mac OS X was originally created by By Limit Point Software. Blue Crab for Mac belongs to Internet & Network Tools. 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.
From the developer:
Blue Crab is a versatile and thorough program that you use to copy the contents of a Web site to your computer, in whole or in part, and then search or browse it offline.
Blue Crab lets you: Conduct fast offline browsing and searching without an Internet connection. Perform batch downloads of URL's Create a snapshot of a website for historical archiving. Batch download Web archives.
You may want to check out more software for Mac, such as Blue Jeans Scheduler for Mac, Blue Sky Plan or Angel Crab, which might be similar to Blue Crab.
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