# microg/GmsCore

Free implementation of Play Services

Repository: https://github.com/microg/GmsCore
Canonical: https://ross.abutalabs.com/products/gmscore
Homepage: https://microg.org
Language: Java
License: Apache-2.0
License Family: permissive
Topics: java, android, microg, google-cloud-messaging, maps, auth, geolocation, google, cloud-messaging, push-notifications, kotlin, kotlin-android, firebase, mobile
Last push: 2026-08-26T09:15:16+00:00

## Health v2 (maintenance only)
Score: 93/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 81, longevity 100
- inputs: {"age_days": 4515, "days_push": 7, "days_rel": 50, "gap_med": 52.0, "n_releases_24m": 13}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 14365, forks 3090 (observed 2026-08-28T04:11:06.848842+00:00)

## What it is
microG Services is a free and open-source reimplementation of Google Play Services for Android. It lets apps that depend on proprietary Google APIs run on AOSP-based ROMs without installing Google's proprietary software.

## Use cases
- run Google Play apps on LineageOS without GApps
- replace proprietary Google Play Services with a free alternative
- get push notifications via Google Cloud Messaging on a de-Googled phone
- use apps that require Google account authentication on custom ROMs
- enable network location services on AOSP-based systems
- reclaim privacy while keeping Android app compatibility

## When to choose
- you run a custom ROM like LineageOS and need Google API compatibility
- you want a privacy-respecting, open-source replacement for Play Services
- you need push notifications and location services without GApps

## When to avoid
- your ROM does not support signature spoofing
- you need full fidelity with all proprietary Google Play features
- you are on an official Google-certified Android device with Play Services already

## Facets
- artifact type: library
- maturity: active
- function: auth
- domain: mobile-development, privacy
- platform: -
- tags: google-play-services, microg, floss, signature-spoofing, lineageos, geolocation, push-notifications, android

## Member repositories
- microg/GmsCore (main) score 93

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:11:06.848842+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-29T17:12:37.272987+00:00, confidence not recorded.
  - readme: https://github.com/microg/GmsCore (fetched 2026-08-28T04:11:06.848842+00:00, sha 8ca064d743eb)
  - homepage: https://microg.org (fetched 2026-08-29T08:06:06.360731+00:00, sha fc34d07b213a)
- Data as of 2026-08-30T08:39:29.467469+00:00.