NSIS
Nullsoft Scriptable Install System—Windows installer compiler with compression and scripting.
Why it is included
zlib/libpng licensed engine behind countless FOSS Windows installers.
Best for
Building small, scriptable setup.exe packages for Windows apps.
If you use Windows, Mac, or paid tools
Installer authoring alternative to InstallShield, Advanced Installer (paid), and WiX complexity for Windows setup.exe.
Strengths
- Tiny stubs
- Mature language
- Plugin ecosystem
Limitations
- Windows-targeted
Good alternatives
WiX · Inno Setup
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