Compare Software Development Methodologies

Open Source Software
Commercial/ Software
Software is free and requires specialized skill to oversee content.
Quite costly
Support and Service
Relies on its online group systems to get and give help through discussion forums and blogs.
The administration utilizes exclusive programming and suppliers provide progressing backing to clients.
It empowers innovation by allowing users to make adjustments to the products to suit their needs, because the source code is visible.
No permission for clients to view or adjust source code, because it is seen as a hindrance and quality control aspect.
Since it is designer-driven, and innovation is not frequently inspected by specialists, utilization of the software and capability to alter bugs as they emerge is regularly restricted to specialized ones (Singh, Bansal & Jha, 2015).
Utilizes expert functionality through evaluation and software program is geared to focused viewers and individualized usability is highly positioned.
Since it is not developed in a controlled environment as well as being worked on by everyone else interested during the development phase, there is lack of effective communication. Therefore, it leads to security vulnerabilities. However, since many people see the source code, then chances of seeing vulnerabilities is also possible, which can be fixed (Sood, Shipra & Soni, 2016).
It is much more secure since it is developed in controlled environment by developers under strict supervision, through frequent audits to prevent any infiltration.
Software Licenses
Open Source does not have “legal license” and infringes on copyright and only gets license for “copy left”, hence giving permission for any form of alteration of the software to suit their user requirements.
Licenses are paid for, since the proprietary software had lots of investment in the research and development, and since it is commercial, they have to make financial gain, revenues which are instrumental in further software development (Optimus Information, 2015).
Can be viewed as more reliable since users are allowed to make changes to the code to fit their needs, for example Linux has proved to be reliable.
Since it is developed by specific organizations and professional teams, products have specific channels for outlets, considering there will be no un-validated alteration, they are consistent and trustworthy (Vetter, 2009).
Available freely over the Internet and support from the online community is guaranteed.
Only available through specific companies that own rights to the software and have trial versions available for free downloads.
Guarantees flexibility and products can be adjusted to meet demand, reduces IT costs, creates opportunity for innovation
Once purchased, you will be required to make constant upgrades or updates for both software and hardware, for example Microsoft Windows and Office.

Optimus Information (2015). Open-Source vs. Proprietary Software Pros and Cons. Retrieved at
Singh, A., Bansal, R. K., and Jha, N. (2015). Open Source Software vs Proprietary Software. International Journal of Computer Applications (114) 18. Retrieved
Sood, G., Shipra, and Soni, R. (2016). Comparative Study: Proprietary Software vs. Open Source Software. International Journal of Innovative Research in Computer Communication Engineering. Retrieved at
Vetter, G. R. (2009). Commercial Free and Open Source Software: Knowledge Production, Hybrid Appropriability, and Patents, 77 Fordham L. Rev. 2087. Retrieved

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