fontforge-extras software package provides Additional data and utilities for FontForge, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install fontforge-extras
fontforge-extras is installed in your system.
Make ensure the fontforge-extras package were installed using the commands given below,
$ sudo dpkg-query -l | grep fontforge-extras *
You will get with fontforge-extras package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | X Window System software |
| Package | fontforge-extras |
| Version | 0.3-4ubuntu1 |
| Description | Additional data and utilities for FontForge |
| Sub Section | X195 |