Why I used to prefer permissive licenses and now favor copyleft

The Copyleft Bust Up

loopholes, licenses, and realpolitik in open source

Sorting out the Ethical Licensing Mess

Software developers who give the world, for free, usage rights to the code they write often use open source licenses to make this gift legally explicit. These free usage rights (and then some) are …

Licenses Alone Do Not Govern Behavior in Open Source

I put things here so they are on the internet

Copyleft Currents

A blog about open source licensing

Introducing the Permissive License Stack

We believe open-source values are critical to free societies, especially in the digital age. To that end, we’ve created a new approach to licensing invoking the principles of the Default Open Pledge

Some startups are going ‘fair source’ to avoid the pitfalls of open source licensing | TechCrunch

New alternative category to 'closed source' could help companies monetize software in the open -- without going all-in on open source.

Open Source Power

We have to talk about open source licensing.

Fair Source Licenses | Fair.io

The following licenses fit the Fair Source Definition.

Everything an open source maintainer might need to know about open source licensing | Ben Balter

There's lots of internet lore around open source licensing. An attorney and open source developer answers the most common questions.

Software Sharing for Modern Companies | Fair.io

Fair Source is an alternative to closed source, allowing you to safely share access to your core products. Fair Source Software (FSS) can be used with minimal restrictions, and becomes Open Source after a period of time.

Software Sharing for Modern Companies | Fair.io

Fair Source is an alternative to closed source, allowing you to safely share access to your core products. Fair Source Software (FSS) can be used with minimal restrictions, and becomes Open Source after a period of time.

Private Changes in Free Software Copyleft Licenses

Where’s the fifth freedom?

Katerina Marchán (@zkat@toot.cat)

Open source maintainers of major projects (hi) are not ready to accept and talk about how the cultural insistence on permissive licensing is just straight up labor exploitation taking advantage of our addiction to popularity (also hi). We’re doing this to ourselves too, you know.

Toward Copyleft Equality for All

I would not have imagined even two years ago that expansion of copyleft would become such an issue of interest in software freedom licensing. Historically and for good reason, addition of new forms of copyleft clauses has moved at a steady pace. The early 2000s brought network services clauses (such as that in the Affero GPL), which hinged primarily on requiring provision of source to network-remote users. Affero GPL implemented this via copyright-controlled permission of modification. These licenses began as experiments, and were not approved by some license certification authorities until many years later.