Downloading ZMHistoryPanel 1.0 for Mac from our website was free. The software lies within System Tools, more precisely General. Our antivirus scan shows that this Mac download is safe. This Mac app was originally developed by zumuya.
From the developer:
ZMHistoryPanel is a SIMBL plugin that adds history panel to Cocoa applications. After loading this plugin, "Show History Panel" menu is added into Edit menu. Tested on Pixelmator, Xcode, CotEditor, and TextEdit. iWork apps are not supported.
You may want to check out more software for Mac, such as InsomniaT, Notifications Scripting or IBM Performance Analysis Suite, which might be similar to ZMHistoryPanel.