Comparisons that start from ownCloud against other self-hosted file sync and share platforms other than Nextcloud, which is compared from the Nextcloud hub.
Two Nextcloud alternatives compared directly: ownCloud and Seafile on licensing and paid editions, storage design (Seafile's separately synced, optionally encrypted libraries), SSO and LDAP, office integration, scaling and the effort to migrate between them.
ownCloud's two product lines side by side: the AGPL PHP server, Docker-only from Classic 11, against the Apache-2.0 Go single binary oCIS with S3, NFS or PosixFS storage, embedded OIDC and Helm charts, with what moving between them involves.
The original oCIS under Kiteworks against OpenCloud, the fork its former developers continue at the Heinlein Group: shared architecture, licenses, release lines, paid support and the governance questions buyers should ask before choosing.
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