Software can be classified based on its purpose, platform, deployment method, license, development approach, size, and user interface. Common types include system and application software, native and cross-platform software, installed and cloud-based software, proprietary and open-source software, traditional and agile software, small-scale and enterprise software, and GUI or CLI-based software. These classifications help in selecting the right software for specific needs.
Based on Application
1. System Software:
Manages computer hardware and provides a platform for running application programs. It includes operating systems, compilers, editors, and device drivers, which are essential for a computer to function. The operating system bridges programs and hardware, while compilers translate high-level languages into machine code.
2. Application Software:
Designed to meet user requirements by interacting directly with users. It is classified into two types: generic software and customized software. Generic software is available to all users and provides standard functionality, while customized software is developed specifically to meet a client’s unique requirements and is not intended for general use.
3. Networking and Web Applications Software:
Enables computers to communicate with each other and access shared data and resources over a network. It is used in network-based environments such as the World Wide Web and includes network management tools, server software, security and encryption software, and web development technologies like HTML, PHP, and XML.
4. Embedded Software:
Built directly into hardware, usually stored in Read-Only Memory (ROM), and controls specific functions of a system. It is commonly used in devices such as washing machines, microwaves, satellites, and other control and instrumentation systems.
5. Reservation Software:
Reservation systems are used to store, retrieve, and process booking information for services such as air travel, hotels, car rentals, and transportation. They help manage reservations efficiently and prevent issues like overbooking by maintaining accurate, computerized records.
6. Business Software:
This category of software is used to support business applications and is the most widely used category of software. Examples are software for inventory management, accounts, banking, hospitals, schools, stock markets, etc.
7. Entertainment Software:
Education and Entertainment software provides a powerful tool for educational agencies, especially those that deal with educating young children. There is a wide range of entertainment software such as computer games, educational games, translation software, mapping software, etc.
8. Artificial Intelligence Software:
Software like expert systems, decision support systems, pattern recognition software, artificial neural networks, etc. come under this category. They involve complex problems which are not affected by complex computations using non-numerical algorithms.
9. Scientific Software:
Scientific and engineering software satisfies the needs of a scientific or engineering user to perform enterprise-specific tasks. Such software is written for specific applications using principles, techniques, and formulae particular to that field. Examples are software like MATLAB, AUTOCAD, PSPICE, ORCAD, etc.
10. Utility Software:
The programs coming under this category perform specific tasks and are different from other software in terms of size, cost, and complexity. Examples are antivirus software, voice recognition software, compression programs, etc.
11. Document Management Software:
Store, track, and manage documents digitally, reducing paperwork. It supports version control, history tracking, security, and efficient indexing and retrieval of documents.
Based on Copyright
1. Commercial Software:
Sold by software companies under a license that allows users to use the product but not copy or modify it. The copyright of the software remains with the company.
2. Shareware Software:
Protected by copyright and allows users to copy and distribute it for trial purposes. However, users must pay for the software if they continue using it after evaluation, and modifications are not permitted.
3. Freeware Software:
Allows users to copy and distribute it freely for non-commercial purposes. Modifications, derivative works, and even decompiling are generally permitted without requiring permission from the copyright holder.
4. Public Domain Software:
No copyright restrictions, as the owner gives up all rights. Users are free to copy, distribute, modify, and reverse-engineer the software without any limitations.