Customizing, eats, time saving compared with writing code for all functions. Open source extends mostly quite elementary models end high-end CMS, CRM, etc. Who created articles tend to be now decided for WordPress that gives you the possibility they adjust as required. To be able, that gap between business applications and pure open-source, open-source applications came to the fore.
Source : http://sasasoftwaretechnologies.blogspot.in/2013/06/the-business-advantages-in-open-source.html