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DeltaSync vs KeePassVault: catalog facts
DeltaSync	KeePassVault
Free Free and open source; you supply your own server.	Free Free and open source under the Apache 2.0 licence.
Windows, macOS, Linux, Android, Self-hosted, Browser extension	Android
Server sees only encrypted data, never entries or passwords Incremental entry-level sync with KeePassXC merge logic	Syncs databases over WebDAV Syncs databases through a Git repository over HTTPS
Requires running a PHP and PostgreSQL server No public or default server	Developer warns of possible bugs and advises backups Git sync works only over HTTPS, not SSH
Downloadable app, Self-hosted, Browser extension	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: Apache-2.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.