Inno Setup - Inno Setup is a free installer for Windows programs.
Stockpile - Stockpile is a free online inventory system for small business and at home uses.
Advanced Installer - Advanced Installer is a Windows installer authoring tool for installing, updating, and configuring your products safely, securely, and reliably.
inFlow Inventory - inFlow Inventory is inventory management software for small businesses.
InstallShield - If your software targets Windows, InstallShield is your solution.
Fishbowl Inventory - Fishbowl offers manufacturing and warehouse management solutions for QuickBooks.