Inno Setup - Inno Setup is a free installer for Windows programs.
UCheck - UCheck is a tool that will help you to keep your software updated.
Advanced Installer - Advanced Installer is a Windows installer authoring tool for installing, updating, and configuring your products safely, securely, and reliably.
Avira Software Updater - Application that searches updates for software on your computer
InstallShield - If your software targets Windows, InstallShield is your solution.
HEIMDAL FREE - HEIMDAL FREE is an application to automate your device software updates in order to improve your security.