If you're reading this post, please log in and download all your ebooks, maps, and other files. I won't be deleting anything; instead, I will replace this site with a placeholder that includes contact information so customers can still access their books. However, it won't be as convenient for you or for me.
You will still have the option to purchase ebooks from DriveThruRPG.com and print books from Amazon. I may consider setting up a new storefront for selling books, as there are many software solutions available for that. However, the character generator and mapping software present a different challenge as they are custom-coded.
Regarding the d20 Modern Character Generator, I may consider making the code open source on GitHub. Although the code is quite old, it has the potential for improvement, and perhaps someone else can modernize it or individuals can run it locally.
As for Tiamat, please refrain from buying any additional tiles or maps that you cannot use immediately. There is no viable upgrade path for this tool, and it costs more to maintain than it generates in revenue. There are numerous other excellent mapping tools available, making open-sourcing the code (excluding the tiles) seem unnecessary.
I hope to publish again someday. I have numerous adventures, settings, and other games that are mostly complete, waiting for me to finish when I have more time. However, I've been saying that for years. :)
So, to reiterate, please log in and download all your ebooks, maps, and other files.