Lazarus is a RAD Object Pascal Development IDE for use with Free Pascal. It is the open source equivalent of the Delphi VCL, designed to be widget-independent and to work on any platform where Free Pascal can be found.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
There are many added and enhanced properties. Packages can now be installed under Windows. There is Delphi compatibility and many other enhancements and fixes.