What are some alternatives?
When comparing Debian Package Maker and Inno Setup, you can also consider the following products
NSIS - NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows...
InstallShield - If your software targets Windows, InstallShield is your solution.
Advanced Installer - Advanced Installer is a Windows installer authoring tool for installing, updating, and configuring your products safely, securely, and reliably.
CreateInstall - Professional installer software is an essential component for any software developer.
IzPack - IzPack is a one-stop solution for packaging, distributing and deploying applications.
Debreate - Debreate is a utility to aid in building Debian packages (.deb).