One company using Animetrics’ FaceR API is Kairos, a new API provider offering facial recognition core capabilities as well as innovative applications such as workplace time tracking.

Face++ isn’t the only open tool available for facial recognition. Lambda Labs has a general face recognition API, as well as one tailored to Google Glass specifically.

An on-premise and server based facial recognition API system, supporting various operating systems (Windows, Red Hat, CentOS) and accessible through any web browser, FaceMe® Platform 5.4 further ...

The facial recognition API is a micro service within Panasonic’s μSockets B2B IoT service which is currently available in Japan (see details below).

Lambda Labs released its open-source Face API last year, and it's apparently being used by 1,000 developers including large companies. The Glass app would be based on that.

Today, Orbeus sees over 3 million API calls for its freemium product, which is priced affordably in order to encourage sign-ups, with 40,000 free API calls (500 per day) available for free.