ecb software package provides code browser for Emacs supporting several languages, you can install in your Ubuntu 16.10 (Yakkety Yak) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install ecb
ecb is installed in your system.
Make ensure the ecb package were installed using the commands given below,
$ sudo dpkg-query -l | grep ecb *
You will get with ecb package name, version, architecture and description in a table
| Distro | Ubuntu 16 10 yakkety yak |
| Section | Development |
| Package | ecb |
| Version | 2.40+git20140216-2 |
| Description | code browser for Emacs supporting several languages |
| Sub Section | Devel |