NSIS
Business Profile
Core Value Proposition
NSIS (Nullsoft Scriptable Install System) provides a professional open source system to create Windows installers. It is script-based and designed to be small and flexible, suitable for internet distribution and capable of handling complex installation tasks with plug-ins and scripts available.
Target Customer
Software developers and organizations needing to create Windows installers, including installers for internet distribution and applications requiring custom logic and updates.
Key Differentiator
Script-based installer system with a very small overhead (34 KB), support for multiple Windows versions, three integrated compression methods (ZLib, BZip2, LZMA), multi-language support, a plug-in system, and web installation/patching capabilities.
Implementation Timeline
Not specified in content.
Pain Points
- 1Need for stable and reliable installers that are small and fast.
- 2Requirement for customizable, script-driven install/uninstall logic to handle complex tasks.
- 3Desire for extensibility via plug-ins to add features like internet access, patching, or Windows API calls.
Key Features
- 1Small overhead size: 34 KB for a full-featured installer.
- 2Compatibility with major Windows versions (from Windows 95 through Windows 11).
- 3Three integrated compression methods: ZLib, BZip2, and LZMA.
- 4Script-based installer language with custom logic and upgrades.
- 5Multi-language support (more than 40 translations) including RTL languages.
Target Customer Industries
Competitive Advantages
- 1Extremely small installer footprint (34 KB overhead).
- 2Script-driven approach enables handling of complex installation tasks.
- 3Extensibility through a plug-in system (plugins can be written in C, C++, Delphi, etc.).
- 4Built-in support for multiple languages and right-to-left languages.
- 5Web installation and file patching capabilities via plug-ins.
Key Benefits
Additional Product Information
Product Description
NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is script-based, designed to be small and flexible, and supports many plug-ins and scripts for tasks such as web installers, interfacing with Windows and other components, and updating shared components. It is suitable for internet distribution and for creating installers that can handle complex requirements.
Target Market
Software developers and organizations needing Windows installers, including those distributing products over the internet and requiring customizable installer experiences.
Unique Value Proposition
A lightweight, scriptable, and extensible Windows installer framework with cross-version compatibility, multiple compression options, and extensive multilingual support.
Technical Requirements
The NSIS Portable Compiler can be compiled for POSIX platforms (Linux, *BSD), but the generated installers run on Windows only.
Pricing Model
Completely free for any use. See License.
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