gappsearly.com

Google App apk file downloads for Android. This is an excellent resource for getting the GApps and other software in APK format.

goo.im/gapps

This website is currently closed but might reopend soon.

www.teamandroid.com/gapps/

Google Gapps (or Google Apps as they are meant) are the proprietary applications by Google included in many Android devices. These are the core Google apps

opengapps.org

Open GApps is a Google Apps package developed by writing open source buildscripts. All Android versions and platforms supported.

wiki.cyanogenmod.org/w/Google_Apps

Google Apps are the proprietary Google-branded applications that come pre-installed with most Android devices, such as the Play Store, Gmail, Maps, etc. Due to licensing restrictions, these apps cannot come pre-installed with CyanogenM ...