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WiX ToolsetInno Setup
Free

Free and open source; FireGiant sells extended support for older versions.

 Free

The software is free under its open-source licence. Hosting, hardware and external…

Windows, Command line Windows
  • Installer definitions are plain XML that fit in source control
  • Integrates with build systems and Visual Studio through HeatWave
  • A single script file describes the whole installer, and the permissive licence allows commercial use, modification and…
  • Steep learning curve compared with wizard-based installer builders
  • Versions 3, 4 and 5 are out of community support
  • It builds Windows installers only, and anything beyond the basics means learning its Pascal scripting.
Downloadable app Downloadable app
Open source Open source
License not stated License: Inno Setup License
No account needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.