HeartRate JS vs RebTel
A side-by-side look at HeartRate JS and RebTel. For an in-depth review of either product, follow the links below.
HeartRate JS
Sport & Health
HeartRate JS is an open-source JavaScript library that enables real-time heart rate monitoring and visualization in the browser using a device's webcam. It uses image processing and color tracking algorithms to detect subtle color changes in a user's face caused by blood circulation and derive an estimated heart rate.
heart-ratehealthtrackingwebcam
RebTel
Social & Communications
RebTel is an open-source alternative to Skype focused on privacy and security. It offers encrypted messaging, audio/video calls, screen sharing, and other communication tools.
messagingvoipvideo-callingopen-sourceprivacysecurity
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