alliance software package provides VLSI CAD Tools, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install alliance
alliance is installed in your system.
Make ensure the alliance package were installed using the commands given below,
$ sudo dpkg-query -l | grep alliance *
You will get with alliance package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | Electronics |
| Package | alliance |
| Version | 5.0-20110203-4 |
| Description | VLSI CAD Tools |
| Sub Section | Electronics |