8files is described as 'You can upload unlimited number of files (pdf, music, photos, zip, videos etc)' and is an website in the Backup & Sync category. There are more than 100 alternatives to 8files, not only websites but also apps for a variety of platforms, including Windows, Mac, Android and iPhone. The best alternative is Nextcloud, which is both free and Open Source. Other great sites and apps similar to 8files are Dropbox (Freemium), Google Drive (Freemium), Syncthing (Free, Open Source) and MEGA (Freemium).
Sia is a new decentralized cloud storage platform aimed at giving users control of their data. Data is split into hundreds of erasure coded pieces and encrypted locally, and then each piece is uploaded to a separate host.
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.
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.
Storj DCS is an Amazon S3 compatible, distributed, encrypted, object storage. It is aimed at developers and well suited to serve as storage backend for use cases like: Data storage and backup, multimedia storage and streaming or large file transfer.
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.
Amazon Drive is your hard drive in the cloud. Store your music, videos, photos, and documents on Amazon's secure servers. All you need is a web browser to upload, download, and access your files from any computer.