http://www.bloodshed.net/devpascal.html

Dev-Pascal is a full-featured integrated development environment (IDE), which is able to create Windows or console-based Pascal programs using the Free Pascal or GNU Pascal compilers. It can also handle the Insight Debugger, which you can also download here. 

- Pascal compiler for Win32 (Free Pascal or GNU Pascal)
- Debugger (GDB or Insight)
- Customizable syntax highlighting
- Powerful multi-window editor with many options
- Work in source file or project mode
- Setup creator
- Create console, windows and DLL programs
- Resource file editing (menu creator...)
- Project Manager, compiler, linker and resource results
- Insert automatically Pascal codes and statements
- Makefile automatic creation
- 2 different icon sets for menus and toolbars in Dev-Pascal
- Tool manager
- Templates for creating your own project types