From Xarka Software:
OptiPerl will help you create CGI & console scripts in Perl, offline in Windows. It is a fully integrated visual developing environment and editor for creating, testing, debugging and running perl scripts, directly or through associated html documents. Features include:
Offline editing of Perl scripts in IDE.
Complete emulation of a real server - scripts can be run indirectly from html documents.
Live preview of the scripts in the internal web browser.
Feature packed editor with syntax highlighting.
Completely integrated debugging with live evaluation of expressions, watches, breakpoints, flow control.
Remote debugging of scripts located on your web server.
Code completion, and hints while programming.
Automatic syntax checking.
Box and line coding give a better view of your code.