Swiss File Knife is a free-to-use command line tools collection. With this tool, you can search and convert text files, instant simple FTP/HTTP server, find duplicate files, compare folders, tree size, run own commands on all files of a folder. It has an intuitive interface.
FileZilla (ported from Windows) is a fast and reliable FTP client and server with lots of useful features and an intuitive interface.
App that stores/retrieves notes, providing a nonconformist solution to mental blockages & retrieval handicaps.
