Download of Insider 1.1.1 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. You can install this program on Mac OS X 10.7 or later. This Mac app was originally produced by com.tagtaxa.
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. The most popular version among the program users is 1.1. Insider for Mac belongs to System Tools.
From the developer:
The one-window app. that helps you to find documents and text within them, combining Mac OS Spotlight with Unix Find and Grep.
The search operation is performed realtime, without the need for indexing, with support for regular expressions and can be limited to particular folder. The resulting matches can be easily previewed using Cover View, QuickLook or Text preview - where all matching instances of the search word are highlighted.
You may want to check out more Mac applications, such as House of 1000 Doors. Evil Inside. Collector's Edition, The Meridian Inside or Inside Job, which might be similar to Insider.