Allaire ColdFusion 4

Allaire ColdFusion 4.0 is the fourth major version of the ColdFusion web application development platform, released in November 1998 by Allaire Corporation.

Version 4.5
ColdFusion 4.5 was announced in November 1999. Among new advertised features were enhanced functionality, UNIX native support, email integration, and a "broad new commitment" to Java. This was the last major version to be released by Allaire before it was absorbed by Macromedia in a merger in March 2001.