One AFTP course that provides training for family members new to the Army is the Army Family Team Building (AFTB) Level 1 course. This course focuses on providing basic knowledge of the Army structure, culture, and lifestyle to help family members better understand and support their soldier. It covers topics such as Army acronyms, rank structure, resources, and support services available to Army families.
The best free FTP client are JSCAPE's AnyClient. It is a free platform independent file transfer application that supports all major file transfer protocols including FTP/S, SFTP, WebDAV/S, Amazon S3 and AFTP It is available both as a web based and downloadable application.