The 3.1.1 version of DVR.Webcam for Dropbox Users for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program lies within System Tools, more precisely Device Assistants. The actual developer of this free software for Mac is Senstic. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
DVR.Webcam for Dropbox Users is a plug-and-play solution to personal surveillance for audio/video recording. It is a cloud-based DVR (digital video recorder) app that uses Dropbox as its cloud storage. You run the app on your Mac that serves as the DVR station. It will let you record video from your cameras, and view time-lapse recording remotely. The app is free with 8 hours of continuous recording.
You may want to check out more Mac applications, such as DVR.Webcam - Dropbox Edition, DVR.Webcam - OneDrive Edition or DVR.Webcam, which might be related to DVR.Webcam for Dropbox Users.
Cloud Services
Device Assistants