Downloading ContextMenuLite 1.3.3 for Mac from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this app available. We recommend checking the downloaded files with any free antivirus. The application lies within Productivity Tools, more precisely Office Tools. This free software for Mac OS X was originally designed by Langui.net.
From the developer:
Context Menu is a configurable right-click menu extension for Finder. You can easily attach applications / shell scripts to the contextual menu of Finder with the help of Context Menu. Context Menu Lite is implemented as a Finder extension, you need to enable "Context Menu Lite Extension" in "System Preferences -> Extensions" to make the context menu appear. Context Menu Lite supports only one action at a time.
You may want to check out more Mac applications, such as PDFMergeThing, which might be similar to ContextMenuLite.