Google One is described as 'Room to grow' and is an app in the Backup & Sync category. There are more than 100 alternatives to Google One for a variety of platforms, including Online / Web-based, Windows, Mac, iPhone and Android. The best alternative is Nextcloud, which is both free and Open Source. Other great apps like Google One are Dropbox (Freemium), Google Drive (Freemium), Syncthing (Free, Open Source) and MEGA (Freemium).
Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.
Icedrive is a cloud storage, backup and file sharing service with browser, desktop and mobile apps. The Icedrive desktop application allows users to mount their cloud storage space as a real hard drive.
Tresorit is the end-to-end encrypted file sync and sharing solution which safeguards confidential information by design. Unlike other public cloud vendors, Tresorit has no access to users’ files, which ensures maximum confidentiality.
4Shared is a large online storage facility where Internet users store their text, audio, video, photo, and other files and share them, if they wish, with other people. It is easy, handy, and free! 15GB storage for the free account.
Private File Sharing, Sync and Mobile Access for Home and Business. Access, Sync and Share ALL docs, photos, music and videos from anywhere. No Storage Limits. No Security Worries. No Uploading. Limited values and users without PRO subscription.
FileTransfer allows you to securely share files up to 6GB with your family, co-workers or friends for free. Files stay uploaded for 3 weeks. You can send the download link to the recipients' emails directly from the website.