The best replacement for google drive is dropbox.

The best alternatives to google drive are rated as following:
★★★★★  dropbox
★★★  skydrive
★★★  onedrive
★★★  evernote
★★★  google docs
★★  icloud
★★  box
★★  microsoft office
★  sugarsync
★  dropbox security
★  dropbox for business
★  docs
★  google plus
★  amazon cloud
  quickoffice
  google photos
  carbonite
  microsoft word
  office
  sharepoint
  sky drive
  flickr
  google cloud
  insync
  dropbox speed
  drop box
  my drive
  office 365
  google apps for business

Your alternative for google drive is not listed? Suggest!
Speaking about google drive, one probably shouldn't forget about sync.

Other search terms related to google drive and their ratings are:
★★★★★ sync
★★★★★ multiple accounts
★★★★ iphoto
★★ dropbox
★★ truecrypt
★ syncing
plex
You have in mind a companion for google drive and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of google drive in all years. Click on graph for more.
google drive
dropbox
skydrive