Google Drive, Nextcloud, Dropbox, ownCloud, MEGA, Microsoft OneDrive, Resilio Sync , iCloud, Spideroak One Backup , MediaFire, FileCloud, pyget, Filen, Casebox, S42Transfer, Woelkli, Librevault, SyncTrayzor, Amazon Drive, PHPfileNavigator, VerHost, kloudspeaker, ProtonShare, filer.net, ente Photos, SpeedyShare, CmisSync, Zoho Docs, Laravel File Manager, Encode Explorer, Sharefile, git-annex, Work Folders, Pogoplug, e2ee cloud, XBackBone, Monsta FTP, Drive File Stream by Google, SparkleShare, Lomorage, Tracim, Nullupload.com, Nubo, Peergos, eXtplorer File Manager, Duple, Mollify, AeroFS, vBoxxCloud, FileCupid, Box SimpleShare, DRACOON, Connected by Connected Software, EasyUpload.io, SecureSlice, Ozibox, CloudBerry Box, Workshare Connect, Filedrum, Probox, Adobe Acrobat Workspaces, arXshare, Chipmunk App, Qabel, TheDataLocker, Wuala, Syncwerk, Limpid Browser, Sher.ly, ZettaBox, Cloud Mate, Artefactual AtoM are some alternatives to Seafile.