MightyGrep 0.14.0 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the program is MightyGrep. We recommend checking the downloaded files with any free antivirus.
From the developer:
Features
Search for content or filename
Incremental mode (restart on new text entered)
Multiple export options
Built-in file viewer
Free demo