Beem 1.3.7 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. Beem for Mac lies within Design & Photo Tools, more precisely Screen Capture.
This free software for Mac OS X was originally produced by Subito Labs. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Beem offers a fast and easy way to share screenshots. The application provides you with the right means to capture a selected area of the screen. The captured image is instantly uploaded to the Beem's cloud and the sharing link is automatically copied to your buffer, ready to be pasted wherever you want.
You may want to check out more Mac applications, such as RecordPro, ViewletBuilder6 Enterprise or ViewletBuilder4, which might be related to Beem.