What are some alternatives?
When comparing Inno Setup and WiX, you can also consider the following products
NSIS - NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows...
SquareSpace - Squarespace is the easiest way for anyone to create an exceptional website. Pages, galleries, blogs, e-commerce, domains, hosting, analytics, 24/7 support - all included.
Advanced Installer - Advanced Installer is a Windows installer authoring tool for installing, updating, and configuring your products safely, securely, and reliably.
WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.
IzPack - IzPack is a one-stop solution for packaging, distributing and deploying applications.
MightyCall - Virtual phone system that lets you run your business from anywhere.