From time to time, ComponentSoftware and other companies provide add-on packages for CS-RCS. For instance, the add-on package D3RCS allows for the integration of CS-RCS with Borland's Delphi. Another add-on package, allows for integration with the NT-Emacs editor. For more details, visit the CS-RCS web site at: http://www.ComponentSoftware.com/products/rcs/integration/addons.htm.