Free and Commercial extensions
From Joomla! Documentation
When submitting a listing to the JED, you'll be asked if you'd the extension to be Free (free for users to download and install) or Paid (users need to pay to download the extension). This page contains a few tips to help you decide between submitting a free or paid extension.
Type: Free or paid extensions?
According your distribution plan you need to select a type tag: free/paid
|Download for free||Free|
|Download for free with registration||Free|
|Require payment to download||Paid|
|Require payment/subscription/donation to support (configure, install). Extension works without support||Free|
|Require payment/subscription/donation to remove visible links (users are able to remove the links themselves)||Free|
|Require payment/subscription/donation to remove hidden links (users are able to remove the links themselves)||Free (will get editor's note)|
|Light version||Only listed as Free
|Require payment/subscription/donation to privileged updates. Security fixes will be public available||Free|
Distributions Models not accepted
|Require payment/subscription/donation to remove links (users are not able to remove the links themselves)||Not allowed (GPL restrictions)|
|Double model: Free for non-profit sites and paid for profit sites||Not allowed (GPL restrictions)|
Changed from Free to Paid
Users tend to vote and review free extensions more favorably. To ensure fairness and accuracy in votes and reviews, all votes and reviews made before the change will be removed.