In the past few months, we have covered a bunch of interesting time tracking devices. If you know your electronics, you can always try to build your own. Adafruit has shared a guide that shows you how to build your own time tracking cube. You simply have to flip the cube over to start logging a new task.
You are going to need an Adafruit Feather HUZZAH with ESP8266, 8x NeoPixel stick, Adafruit Prop-Maker FeatherWing, and a few other components to complete this.