Build and debug modern web and cloud applications. Code is free and available on your favorite platform - Linux, Mac OSX, and Windows. The most popular editors are sublime, brackets, and atom (http://atom.io/ ++ http://atom.io/packages/search?q=ftp). Microsoft took atom, and forked it into Visual Studio Code.
http://code.visualstudio.com/
source - http://blah.winsmarts.com/2015-7-Debugging_websites_with_Visual_Studio_code.aspx
Visual Studio Code FTP
http://wantsonline.blogspot.com/2015/11/switching-from-notepad-ftp-to-visual.html
ftp-sync
https://marketplace.visualstudio.com/items/lukasz-wronski.ftp-sync
http://code.visualstudio.com/
source - http://blah.winsmarts.com/2015-7-Debugging_websites_with_Visual_Studio_code.aspx
Visual Studio Code FTP
http://wantsonline.blogspot.com/2015/11/switching-from-notepad-ftp-to-visual.html
ftp-sync
https://marketplace.visualstudio.com/items/lukasz-wronski.ftp-sync