Aware
Aware is a menubar app for OSX and macOS that displays how long you've been actively using your computer.
Installing the app
View in Mac App Store or download the latest release from GitHub.
Development information
Requires Xcode 10.2
$ git clone https://github.com/josh/Aware
$ cd Aware/
$ open Aware.xcodeproj/License
Copyright Β© 2016 Joshua Peek, Patrick Marsceill. All rights reserved.