I work with Joomla since 2007 and coded innumerable extensions over the years.
I've been to every single JandBeyond from 2010 to 2015 and I also gave a talk about Joomla extensions development in 2013
The Joomla extensions you can find on this site have been selected because I feel they can be useful to a lot of people.
To provide support, fix bugs and coding new features, I need time and time always comes at a cost.
For this reason, this site is focused on commercial extensions with a 3 months subscription to access downloads and support.
There will probably be a few exceptions which are given away for free (e.g. old versions, BETA versions and miscellanous goodies)
Yes, I am available to do custom work, see Custom development page.
You can also find me on Twitter as @ygcoder.