The best replacement for winscp is filezilla.

The best alternatives to winscp are rated as following:
★★★★★  filezilla
★★★★  putty
★★  cuteftp
★★  fastscp
★★  ws_ftp
★★  pscp
★  total commander
★  bitvise
★  iphonebrowser
★  securefx
  smartftp
  securecrt
  core ftp
  cyberduck
  fireftp
  tunnelier
  flashfxp
  ifunbox

Your alternative for winscp is not listed? Suggest!
Speaking about winscp, one probably shouldn't forget about sudo.

Other search terms related to winscp and their ratings are:
★★★★★ sudo
★★★ ssh
★★ iphone ssh
★ cydia
★ pageant
You have in mind a companion for winscp and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of winscp in all years. Click on graph for more.
winscp
filezilla
putty