Glympse - Glympse is the easy way to safely share your location in realtime. No sign-up needed.
Losant - Losant makes building connected experiences and solutions easy.
Zenly - Zenly is a GPS tracker to locate your friends in realtime.
Cisco Jasper - Jasper provides a SaaS IoT platform to enable companies of all sizes to launch, manage and monetize IoT services on a global scale.
OwnTracks - Cross-platform location sharing
Hologram.io - Cellular IoT connectivity that powers innovation