Google Drive, Nextcloud, Dropbox, ownCloud, Microsoft OneDrive, Syncthing, Cryptomator, Resilio Sync , Spideroak One Backup , MediaFire, Jungle Disk, IPFS, Work Folders, FTPbox, Hat.sh, FTPSync.pl, DVCS-Autosync, IQBox FTP, Yummy FTP Watcher, arXshare, WireOver are some alternatives to Syncany.