Bashupload - Upload files from command line to share between servers
Everything by Voidtools - Everything. Locate files and folders by name instantly. Everything. Small installation file. Clean and simple user interface.
FilePizza - Open source application used to transfer file via WebRTC and WebTorrent.
DocFetcher - DocFetcher is a portable German/English open source desktop search application.
BlackHole File Transfer - Blockchain-based file transfer. Designed for everyday use.
X1 Search - X1's Lightning-Fast Search Software. Premium Alternative to Windows Desktop and Outlook Search.