FaceDetector is queued for analysis. Crawling candidates and ranking them takes a few minutes. This page updates itself when the list exists — you can also come back later.
What is known so far comes from the other direction:
These projects were analysed and named FaceDetector among their alternatives. The relationship is not symmetric — how FaceDetector rates them is a separate judgement, made when FaceDetector is analysed in its own right.
calls FaceDetector “Legacy Android/JVM face detection helper, obsolete and not a cross-platform C++ alternative.”
An open source library for face detection in images. The face detection speed can reach 1000FPS.