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Jan 14, 2024 · What is free license vs open source license? Open source licenses focus on the availability of source code and the ability to modify and share it freely. Free software licenses focus more on protecting the user's freedom to use, modify, and share the software.
This article describes the different types of open source licenses and how they all seek to protect both the authors and users of the software by controlling the misuse and unauthorized use of open source code.
- What Is Open Source?
- What Is A License and Why Would I Need One?
- What Options Are there?
- "Copyleft" Licenses: Gpl, AGPL, LGPL
- Permissive Licenses: MIT, Bsd, Apache, ...
- Creative Commons
- Public Domain, Cc0, Unlicense, ...
- So How Do I License My Open Source Project?
- Tl;Dr
- Further Reading
Many people think that Open Source simply means availability of the source code of a project, but that does only tell part of the whole story. The Open Source Initiative (OSI) provides a commonly accepted definitionof what constitutes Open Source. To summarize that, in order to be constituted Open Source, 1. a work has to allow free redistribution,...
Any work that you create by default makes you the copyright holder of it. That means only you are allowed to distribute whatever you created. If you want to transfer this right to other people as well, you can do that via a so-called license. Consider it a set of rules that define how others may use, distribute, modify and otherwise interact with t...
Thankfully you do not have to write your own license (and frankly, neither should you, there be dragons). There are a multitude of existing licenses for you to choose from already, and I'm going to introduce you to some of the most common ones. Please note that I'm going to focus on Open Source software licenses here, so licenses that fulfill the O...
Remember when I said that you could require anyone who modifies your work to share its source as well? Having to adhere to similar terms is commonly referred to as being viral and the most popular member of the family of viral Open Source licenses are the so called copyleft(in contrast to "copyright") licenses GPL, AGPL and LGPL. The GPL, or GNU Pu...
If the copyleft philosophy isn't your thing for any reason, there is a family of quite permissive Open Source Licenses that are not viral but still offer attribution and protection against liability. The MIT, BSD and Apache licenses are all pretty similar. All of them require that attribution must be kept in place, warranty & liability are strictly...
If you are into hardware development, you might have come across the family of Creative Commons licenses. Creative Commons is a bit like a choose-your-own-adventure of licensing - you have a base license which rules out warranty, and various modules that you can attach to it as well if you want: 1. BY: requires the author to be stated 2. SA: any de...
It might happen that you also come across software that has been released into the Public Domain, meaning that all copyright claims have been forfeit. This concept seems to be quite attractive to people who really just want to set their code free and don't care at all what happens to it. It should be noted that even though this might seem a quite c...
Depending on whether your project is stand-alone or building on the work of others, there are different things to consider. If you are creating a standalone project, you can freely decide on a license. Take a look at other projects in your development community, or similar projects, and what they have chosen. Make sure you understand the license yo...
Unless you put a license on your source code, your exclusive copyright applies and no one can really utilize your code. There is a huge number of available licenses to choose from, and before you decide on one you should make sure you understand it, are comfortable with it and also don't run into any kinds of incompatibilities with things you depen...
Nov 2, 2021 · We will also discuss the differences between proprietary, free, and open-source software, permissive and copyleft licenses, and information about the open-source software license options suggested when creating a GitHub project.
General comparison. For a simpler comparison across the most common licenses see free-software license comparison . The following table compares various features of each license and is a general guide to the terms and conditions of each license, based on seven subjects or categories.
LicenseAuthorLatest VersionPublication Date3.02002Affero Inc2.020072.020042.0August 6, 2003Sep 23, 2019 · Open-source license criteria focus on the availability of the source code and the ability to modify and share it, while free software and a public domain focus on the user’s freedom to use the program, modify it, and share it.
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Oct 30, 2017 · Free and open-source software defines its freedoms through its licensing, while public domain software may adhere to some of the same virtues but does so by falling outside the licensing system. An important distinction of both free and open-source software is that works based on free or open-source source code must also be distributed with a ...
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