arbtt software package provides Automatic Rule-Based Time Tracker, you can install in your Debian 8 (Jessie) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install arbtt
arbtt is installed in your system.
Make ensure the arbtt package were installed using the commands given below,
$ sudo dpkg-query -l | grep arbtt *
You will get with arbtt package name, version, architecture and description in a table
| Distro | Debian 8 jessie |
| Section | Haskell |
| Package | arbtt |
| Version | 0.8.1-1+b1 [s390x], 0.8.1-1 [a |
| Description | Automatic Rule-Based Time Tracker |
| Sub Section | Haskell |