It's the initials of Jari Williamsson, the developer of these plug-ins.
Generally speaking, Finale version from 2010 and later are supported for both Windows and Mac. Sometimes, technical aspects might cause different requirements.
Yes. The JW freeware plug-ins are free to use, but all the development work is still Copyright Jari Williamsson.
Please note that there are no formal technical support for the plug-ins. Use to public channels (such as the e-mail list) to discuss matters related to the use of the plug-ins.
There's a 'Donate' page at http://www.jwmusic.nu/jwplugins/donate/ where you can donate to the JW freeware plug-in development.
Make sure to report the bug to Jari W jari.williamsson@mailbox.swipnet.se in an e-mail!
Include the following information:
Yes. The best approach is to use the e-mail list, so other users can comment on the request. Numerous feature requests are made every week and there is no guarantee that a specific request is implemented.
If you want custom plug-ins developed for your own purposes, contact Jari W jari.williamsson@mailbox.swipnet.se directly. The custom work are made on an hourly fee but only if time permits. There are 2 different rates for custom plug-in development: