Alternatives to: Microsoft OneDrive

Archifiltre is a web application that helps visualize, organize, and clean up digital files for better storage and archiving.

Irmin is an OCaml library for building mergeable, branchable distributed data stores inspired by Git.

ownCloud is an open-source software for secure file synchronization, sharing, and content collaboration, enabling easy teamwork from anywhere.

ProjectSend is a free, secure, and user-friendly self-hosted file-sharing application that enables easy and private file exchange with clients.

Tresorit is a secure platform for file sharing, collaboration, and e-signatures, designed to protect sensitive data with zero-knowledge, end-to-end encryption.

TrueNAS is a family of scalable, reliable, and secure open-source storage solutions for businesses and individuals of all sizes.