Hadn't seen this before! Markdown Monster is source available (meaning you can view and download the source code), but you are required to purchase a license for continued use.
Contributors that provide valuable feedback with quality bug reports or enhancement requests, help out with code via Pull Requests, help promote Markdown Monster, or support Markdown Monster in any other significant way are all eligible for a free license.
I have no idea how this all holds up legally, but thought it was an elegant approach to aligning incentives. h/t @sonyamann for finding this one
Hadn't seen this before! Markdown Monster is source available (meaning you can view and download the source code), but you are required to purchase a license for continued use.
However, users who make valuable contributions back to the project qualify for a free license:
I have no idea how this all holds up legally, but thought it was an elegant approach to aligning incentives. h/t @sonyamann for finding this one