Question: Is GPL Legal?

Can I use GPL in closed source?

If I create a closed source application which uses some GPL licensed libraries but don’t actually distribute the software, only its output, can I keep the software closed sourced.

The GPL permits anyone to make a modified version and use it without ever distributing it to others..

Can I use MongoDB in commercial?

MongoDb is free as long as you comply with the AGPL terms you can use MongoDB for any purpose, commercial or not and if you you do not want to comply with the AGPL you must get a commercial license even if your application is non-commercial. For more information you can visit the licensing page.

Is AGPL a copyleft?

An alternate form of copyleft, the GNU Affero General Public License (AGPL) is designed for programs that are likely to be used on servers. It ensures that modified versions used to implement services available to the public are released as source code to the public.

How do I get a GPL license?

How to use GNU licenses for your own softwareGet a copyright disclaimer from your employer or school.Give each file the proper copyright notices. … Add a COPYING file with a copy of the GNU GPL or GNU AGPL.Also add a COPYING. … Put a license notice in each file.(Optionally) make the program display a startup notice.More items…

Should I use GPL?

Basically, if you want anyone to be able to use your software and its source code in whatever way they want, then MIT/BSD licenses are ideal. If you want to ensure your source code remains open and free, even in other people’s products, then use GPL.

Is AGPL free for commercial use?

No, it’s free software, as in users are free to use it, and corporations are free to charge money for it (through dual-licensing arrangements), but the AGPL is absolutely not free in any meaningful sense for developers.

What is the difference between gplv2 and gplv3?

The GPLV2 is the predecessor of the GPLV3 which makes the GPLV3 the newest version. The GPLV2 was introduced in 1991 while the GPLV3 was launched in 2007. Since the GPLV2 is an older version of the GPLV3, there are differences between the licenses. The GPLV2 has a library exclusion that the GPLV3 doesn’t have.

Can GPL software be sold?

Can you sell GPL software/code? Yes, the GPL license allows users to sell the original as well as the modified software. It may be confusing, but free software is referred to as free in terms of freedom and not in terms of price.

Can I include GPL code in my project?

If a library is released under the GPL (not the LGPL), does that mean that any program which uses it has to be under the GPL? Yes, because the program as it is actually run includes the library. If you wrote the code, you can do whatever you want with it. You own the code, you own the copyright.

What GPL license means?

General Public License“GPL” stands for “General Public License”. The most widespread such license is the GNU General Public License, or GNU GPL for short. This can be further shortened to “GPL”, when it is understood that the GNU GPL is the one intended.

What is the difference between GPL and LGPL licenses?

The main difference between the GPL and the LGPL is that the latter allows the work to be linked with (in the case of a library, “used by”) a non-(L)GPLed program, regardless of whether it is free software or proprietary software.

Does GPL allow commercial use?

Software under the GPL may be run for all purposes, including commercial purposes and even as a tool for creating proprietary software, such as when using GPL-licensed compilers. Users or companies who distribute GPL-licensed works (e.g. software), may charge a fee for copies or give them free of charge.

Can I sell MIT license software?

Yes, provided they license their improvements under MIT or another free/libre license. … However, if the improvements have a free/libre license, you’re allowed to sell free software, even if you don’t hold the full copyright (or any copyright).

Can companies use GNU software?

8 Answers. Software licensed with any GNU license can be used and even modified everywhere, including in a corporate environment, without any restrictions. … AGPL 3.0), and your company is providing web access to this software, then you’ll also be required to publish full source code (including your changes).

What is a closed source version?

Under the closed-source model source code is not released to the public. Closed-source software is maintained by a team who produces their product in a compiled-executable state, which is what the market is allowed access to. … A closed source license is one that limits only the availability of the source code.