Apps similar to nn-search include XSearch, which is free. Other options are SCAN (Smart Content Aggregation and Navigation) and nn_search2. In total there are three File Search Utilities like nn-search for Windows, Linux and Mac.
XSearch is a free search tool that with more features that Windows Search didn't provided. It can search files on your computer in high speed. When searching for special words in files, you can specify the words option such as "Any of the words", "All of the...
SCAN (Smart Content Aggregation and Navigation) is a personal semantic content manager for desktop users. It combines search, text analysis, tagging and metadata functions to provide new user experience of desktop navigation and personal document management.
nn-search2 is a part-of-speech tagging and text search utility based on NLTK, TextBlob and matplotlib. It uses state-of-the-art pos-tagger based on Averaged Perceptron which provides fast and accurate results.
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