Inno Setup - Inno Setup is a free installer for Windows programs.
VSTHost - Hostprogram for VST-Plugins with ASIO-Support
Advanced Installer - Advanced Installer is a Windows installer authoring tool for installing, updating, and configuring your products safely, securely, and reliably.
Cantabile - Plugin host for live performance.
InstallShield - If your software targets Windows, InstallShield is your solution.
Gig Performer - Gig Performer is a cross-platform audio plugin host for live music performances