Wolfram Notebook Indexer
You can download Wolfram Notebook Indexer 2.18.34059 from our software library for free. The latest version of Wolfram Notebook Indexer is supported on PCs running Windows XP/Vista/7/8/10, 32-bit. This download was scanned by our antivirus and was rated as virus free. The most popular versions of the tool 2.1, 1.8 and 1.1. This free tool was originally produced by Wolfram Research. The software lies within Photo & Graphics Tools, more precisely Converters.
From the developer:
Wolfram Notebook Indexer is a part of an ongoing effort in search and conversion tools for Mathematica notebooks. Wolfram Notebook Indexer is a collection of plug-ins that supports text searches of all Wolfram notebooks (.nb) on the local hard drive, including those that are part of Mathematica's online help system.
You may want to check out more software, such as Wolfram CDF Player M-WIN-D 8.0.1 2078140, Wolfram Workbench or Wolfram Mathematica, which might be similar to Wolfram Notebook Indexer.