SugarCRM with PHP applications-
http://www.beanizer.org/site/index.php/en/Articles/Sugar-CRM-integration-with-custom-PHP-applications-I.html
SugarCRM with c#
http://www.sugarcrm.com/wiki/index.php?title=SOAP_in_CSharp
I have created a bank of URLs which were helpfull for me for getting appropriate solutions for problems. Also i am writing solutions for faced problems.