I-Pascal is a free IDE plugin for IntelliJ IDEA, which supports integration with Delphi and Free Pascal compilers. I-Pascal features include code completion, quick fixes, used units usage check, and refactoring. The plugin is compatible with IntelliJ IDEA Community Edition and Ultimate Edition from version 13.xx. I-Pascal v1.09 is the first version available with source code on Github.
Home page: http://www.siberika.com/siberika/ipascal.htm
Release notes: http://www.siberika.com/siberika/whatsnew.htm
Source code: https://github.com/casteng/i-pascal