Sage-Tips

How do I license a software GPL?

How to use GNU licenses for your own software

1. Get a copyright disclaimer from your employer or school.
2. Give each file the proper copyright notices.
3. Add a COPYING file with a copy of the GNU GPL or GNU AGPL.
4. Also add a COPYING.
5. Put a license notice in each file.
6. (Optionally) make the program display a startup notice.

What is an example of public domain software?

Public domain software is any software that has no legal, copyright or editing restrictions associated with it. It is free and open-source software that can be publicly modified, distributed or sold without any restrictions. SQLite, I2P and CERN httpd are popular examples of public domain software.

What is public domain software Licence?

Public domain. This is the most permissive type of software license. When software is in the public domain, anyone can modify and use the software without any restrictions.

Is it legal to sell GPL software for zero price?

The people to whom you sold copies of GPL software are just as free as you are to make copies and sell them for whatever price they feel is right, including a price equal to zero. The same general conditions apply to other popular FOSS licenses. OpenOffice, for example, is distributed under the Apache license.

Can I Sell my GPL code for iOS apps?

You can sell GPL code, but you must make sure that all of your own code or linked (means everything on iOS) is licensed compatible with GPL. Means that all of your code is publicly available and you use nothing with incompatible licenses (e.g. : proprietary library)

What are software licenses and how do they work?

Software licenses are applications of copyright. Software developers can impose conditions (that is, licenses) on the reuse and redistribution of their code, because they hold the copyright on that code. Copyright also deals with attribution: in general, even if you may redistribute my code, you may not claim that you are the original author.

Can I sell free software for zero?

Of course, all users of free software enjoy these same freedoms. The people to whom you sold copies of GPL software are just as free as you are to make copies and sell them for whatever price they feel is right, including a price equal to zero. The same general conditions apply to other popular FOSS licenses.