Join GitHub today
GitHub is home to over 28 million developers working together to host and review code, manage projects, and build software together.Sign up
InnoSetup 5.5.9 #1477
Currently NSIS and WiX is pre installed: https://www.appveyor.com/docs/build-environment/#pre-installed-software
Inno Setup is even more widely used then those installers I think, at least in open source projects.