Glossary

Key terms explained simply.

Degoogle / de-Google
Deliberately reducing dependence on Google services and infrastructure by moving to alternatives or self-hosted setups. It does not mean instantly disconnecting every Google service.
AOSP
Android Open Source Project—the Android base without Google Play Services. Foundation for /e/OS, GrapheneOS, and similar systems.
E2EE (end-to-end encryption)
Encryption only the sender and recipient can decrypt (e.g. Proton Mail, Signal). The service operator cannot read message content.
OAuth / “Sign in with Google”
Using your Google account to log into other services. Convenient, but a Google suspension can cause cascading lockouts.
Google Takeout
Google’s official bulk data export service. An essential starting point for migration.
microG
Open-source reimplementation of Google Play Services. Provides compatibility for location, push notifications, etc. with minimal Google communication.
FOSS
Free and Open Source Software—public source code, freedom to modify. Distributed via F-Droid and similar channels.
DMA (Digital Markets Act)
EU digital markets law imposing interoperability, data portability, and other obligations on gatekeeper platforms like Google.
GDPR
EU General Data Protection Regulation—rules consent, deletion rights, portability, and more for personal data.
Filter bubble
When algorithms filter information to match your preferences, making diverse viewpoints harder to reach.
CalDAV / CardDAV
Open standards for calendar and contacts sync. A key compatibility signal when leaving Google Calendar.
Privacy Sandbox
Google’s initiative to replace third-party cookies—deeply tied to Chrome and Google’s ad ecosystem.
Gatekeeper
Under the DMA, designation of very large platform providers of core platform services subject to special regulation.
Self-hosting
Running services like Nextcloud or Immich on your own server or NAS to keep data under your control.
Vendor lock-in
Dependence on one vendor’s formats and tools that makes switching costly and difficult.