Here I'll detail all the Google services I've replaced, for future reference.

I'll factor in the typical user, mostly wishing for things to "just work".

§ First and foremost

• :white_check_mark: Google search -> DuckDuckGo
• :white_check_mark: Google mail -> ProtonMail

This basically addresses 85% of privacy concerns.

§ Chats / IM

Easier. Lot of fragmentation: to this day I wouldn't know which Google App to use.

• :white_check_mark: Threema (con: closed-source)
• :white_check_mark: Signal
• :warning:️ Telegram (con: some security / privacy concerns)
• :no_entry: all others (con: no significant userbase)
• A riot.im coupled with a Matrix self-hosted instance on NextCloud. See here.

§ NextCloud

• :white_check_mark: Feedly -> NextCloud News (+ async python feed retriever) + news-android
  • NextCloud News unmantained
• :white_check_mark: Contacts -> NextCloud Contacts, Davx5 + any DAV application
• :white_check_mark: Google Calendar -> NextCloud Calendar, Davx5 + any DAV application
• :white_check_mark: Google Notes -> NextCloud Notes
  • :white_check_mark: Can also be used as a PasteBin-like code snippets share tool
• :white_check_mark: Pocket / any "Read It Later" apps -> NextCloud Bookmarks
  • Performance problems when many bookmarks
• :white_check_mark: Google Drive -> NextCloud Files (out of the box)
  • :white_check_mark: file sharing, permissions, expire access
  • :white_check_mark: data encryption at rest
    • :warning: encryption key not safe if server is compromised
• :warning: Google Drive file edit -> NextCloud Collabora
• :white_check_mark: Google Photos -> NextCloud Gallery (out of the box)

§ What keeps me in the Google bubble

• Collaboration, when required by third-parties (hardly solvable in most cases)
• Google Maps integration in Drive (might be solvable with a combo of OSM and other drawing tools)