DawnlightSearch is described as 'A Linux version of Everything Search Engine. Support fast NTFS indexing. Show instant results as you type' and is an app in the File Management category. There are seven alternatives to DawnlightSearch for a variety of platforms, including Linux, Windows, Mac, Online / Web-based and BSD. The best alternative is Everything, which is free. Other great apps like DawnlightSearch are DocFetcher (Free, Open Source), FSearch (Free, Open Source), Catfish (Free, Open Source) and Search Monkey (Free, Open Source).
DocFetcher is a portable German/English open source desktop search application. It allows you search the contents of documents on your computer. - You can think of it as Google for your local document repository.