Top Ways to earn by open sources

Hello friends i am sharing with you some best ways to earn online. Many of us listen about that there is some method to earn online but they don't know how they can earn ? I have posted also a post on this now in this post i am introducing about some best ways to earn online by open source.
Here is the 10 best ways to earn online by open source but it does not mean that there is no other open source earning way there are many mother but these are just ten, These are less in numbers but very high earning way.

1. Many companies who favor open source software over commercial ones. A major reason for this is the price of the license.
2. An Open source software developer will be a good source of income.
3. Many companies who currently use open source for their business. These companies will need people who can maintain and even update their software.
4. There are many companies may also need custom made software to meet their business needs. And they often go for open source software. And this will be another opportunity for the open source community to earn money.
5. These days smart phones are growing in popularity. Needs for mobile applications are also growing because of this. Mobile application development using open source software is another way to earn good money.
6. There are many companies choose open source Customer Relationship Management or CRM for their websites because it is free. For example sugar crm.
7. Any one can create your own open source CRM and offer technical support for a fee.
8. Online games and PC games are so popular today. You can create games like these using open source software. And selling these games will definitely give you a good income.
9. Dear friends you can also publish a social networking website using open source software. Social networking sites open many opportunities to earn money.for example you can use buddypress and bb forums integrations to develop a scaling social application.
10. If you are someone who has good knowledge about open source software you can put up a blog and put some advertisements in the blog to monetize it.