Immich
Replaces Google Photos, iCloud Photos
Free (AGPLv3 self-hosted)
Fast, self-hosted photo and video backup with mobile auto-upload, face search, and a Google Photos-like timeline.
Open Source
Self-Hostable
Free Tier
Zero-Tracking / E2EE
The Catch: Self-hosted only (no official managed cloud), and rapid active development means you should read release notes before upgrading.