Google Drive, Nextcloud, Dropbox, ownCloud, MEGA, Microsoft OneDrive, Syncthing, Resilio Sync , Spideroak One Backup , Digitile, Filen, SyncTrayzor, IPFS, CrashPlan, overGrive, FileInvite, Amazon WorkDocs, DropMeFiles, g.zxq.co, Syncdocs, Syncloud, Syncbox Server for Windows, TappIn, Open PaaS, Egnyte, 4sync, DropboxPortableAHK, e-nautia, Dropboxifier, Wdesk, Contactoffice, Hornetdrive, Podzy, Pryv, SyncDesk, Coffice, Cloudup, sharepa, OwnCube, Simul Documents, Collectizi, Meemim, Workshare Connect, iKeepinCloud, Adobe Acrobat Workspaces, Sesori, workroo.ms, ftopia, FileVista, Woopiti, SmartFile, KS² SHERPA, RoarFiles, ThinGit, Dolly Drive, Upthere Home, Flight by Canto, SSuite Blue Velvet, NumSync, ZenOK, Gdrive.net, Files.Guru, Folio Cloud, ZeroSide are some alternatives to Google One.