It is not up to the developer; copyright is automatic. The only question is whether the developer owns the copyright or someone else does (i.e., an employer or a client in an independent contracting relationship).
Whether a developer wants to enforce his or her copyright is a personal choice, and may come down to various circumstances regarding the relationship with a prospective employer or other clients.
If you're an independent contractor in the USA, you need to read up on the definition of "works made for hire" and when (or if) the client owns the copyright, based upon your written agreements.
One can get an Apple Developer connection by signing up for the Apple Development Program. This program allows for users to develop apps and software for Apple products.
The pay rate for a software developer is pretty high compared to a regular job. A software developer could make 25,000 dollars for creating a single software program.
A software engineer analyzes the customer requirements and designs the software to meet those requirements.A software developer follows the software design created by the software engineer and writes the program code to implement that design.A software tester verifies correct operation of the program code written by the software developer to see that it meets the original customer requirements.
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Virtually all software is protected by copyright--even Linux (Linux just has a really broad license). There is also a program called Official Copyright Software that helps creators through the process of registering their works.
The End User Licensing Agreement specifies how copyright law applies to a program.
Copyright infringement in general is copying, altering, or distributing protected material without the permission of the copyright holder. If you have a software license to put a program on one computer and you put it on two, you have infringed the copyright. More details can be found in the End User Licensing Agreement (EULA) of the program.
Assuming the software meets the criteria for copyright protection ("a work of sufficient originality fixed in a tangible medium perceptible by human or machine") the author of the software, or in the case of work-for-hire, the company the program was created for would hold the copyright.
Yes, it is quite common for a copyright owner to license programs for others to copy and distribute.
Making a copy of the software, including uploading it to a filesharing service, would be copyright infringement. Unauthorized alteration to the code would also be infringing.
USe the software program "LIMEWIRE"
The resources required to develop software depend on the type of software one wants to develop. At the least one needs some form of computer and a basic knowledge of a programming language. They will probably need some form of program in which to write their program as well.