Top 20 Alternatives to Seafile in File Sharing & Cloud Storage Software

Self‑hosted collaboration suite with file sync, sharing, calendar, contacts, and extensive app ecosystem.

Enterprise‑grade, self‑hosted file sync and share platform with strong security and integration options.

NAS‑based file sync and sharing solution that turns Synology devices into private cloud storage.

Popular cloud storage service with robust syncing, collaboration tools, and admin controls for teams.

Integrated cloud storage with Docs, Sheets, Slides, and advanced sharing/permissions for organizations.

Microsoft 365‑linked cloud storage with real‑time Office collaboration and enterprise security.

Secure content management platform focused on enterprise compliance, workflow automation, and integrations.

Consumer‑friendly cloud storage with optional client‑side encryption and generous lifetime plans.

End‑to‑end encrypted cloud storage offering generous free tier and strong privacy guarantees.

Peer‑to‑peer file sync tool using BitTorrent technology; ideal for fast, decentralized transfers.

Zero‑knowledge cloud storage focused on privacy, with collaboration features for teams.

Highly secure, end‑to‑end encrypted file sharing platform targeting regulated industries.

Hybrid cloud file sharing solution combining on‑premises storage with cloud for secure collaboration.

Enterprise file sync, transfer, and storage with granular permissions and workflow automation.

Integrated document management and cloud storage within the Zoho suite of business apps.

Scalable object storage service for developers and enterprises; often used as backend for custom file‑sharing apps.

Low‑cost, high‑performance object storage compatible with S3 APIs, ideal for backups and archives.

Enterprise‑grade, highly durable object storage with AI‑driven data management features.

Russian cloud storage service offering sync clients, web access, and generous free storage.

Zero‑knowledge encrypted cloud storage focused on privacy and secure file sharing.