Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Evercontact - Your contacts always up to date and automatically with Evercontact.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
CONTACTBOX - CONTACTBOX combines the simplicity of an address book with effective functions of a CRM system.
OwnTracks - Cross-platform location sharing
Bigin by Zoho CRM - Pipeline-centric CRM built and priced for small businesses