Curl GUI Widgets
   Developing extensions to the Core Graphics and Controls in the Curl Content Language.
   http://curl-widgets.sourceforge.net/

Curl card games
   Single and multiplayer card games written in the Curl Content Language.
   http://curl-card-games.sourceforge.net/

CurlUnit
   A simple framework to write repeatable tests in the Curl content language as executed by the Surge plug-in.
   http://curlunit.sourceforge.net/

html2curl
   Decoder from HTML to Curl. [GPL]
   http://curlculator.chat.ru/html2curl_eng.htm