apngasm software package provides assemble APNG animation from PNG/TGA image sequence, 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 apngasm
apngasm is installed in your system.
Make ensure the apngasm package were installed using the commands given below,
$ sudo dpkg-query -l | grep apngasm *
You will get with apngasm package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | Graphics |
| Package | apngasm |
| Version | 2.7-1 |
| Description | assemble APNG animation from PNG/TGA image sequence |
| Sub Section | Graphics |