SourceDrop 1.6.1 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.
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. The following versions: 1.5, 1.4 and 1.2 are the most frequently downloaded ones by the program users. The program is categorized as Developer Tools. This free program can be installed on Mac OS X 10.7 or later. This free Mac app is an intellectual property of Michael Hohl.
From the developer:
SourceDrop is a PasteBin client which allows you to easily share your snippets by drag and drop. Just drop your snippet on the SourceDrop icon and it will be uploaded to the configured PasteBin provider, supporting all common PasteBin providers like TinyPaste, PasteBin.com and GIST.
This app supports to upload multiple snippets as one paste. Use this feature to share header and implementation files with one link.
You may want to check out more Mac applications, such as HexColor, Texpad : LaTeX editor or BinaryConverter, which might be related to SourceDrop.