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DocFetcher - DocFetcher is a portable German/English open source desktop search application.
Amaze File Manager - Free and open-source Android file manager with no ads.
X1 Search - X1's Lightning-Fast Search Software. Premium Alternative to Windows Desktop and Outlook Search.
Total Commander - A Shareware file manager for Windows® 95/98/ME/NT/2000/XP/Vista/7, and Windows® 3.1.