DevPaks are useful add-on libraries and tools for Dev-C++ and/or Mingw. Each package comes with a setup program to make installation easier. A community-managed DevPak repository can be found at SourceForge:

DevPaks repository on SourceForge

Getting Started with C or C++: Tutorials for learning C, C++ and other programming practices

Win32 API Programming Tutorial: theForger's tutorial on Win32 programming

How to setup Dev-C++ for ARM compilers: Tutorial written by Richard A. Roth II on configuring Dev-C++ for the arm-gcc compiler

GNU Compiler Collection online documentation: Official documentation & manuals of GCC

The following are forks of the original Dev-C++ project:

Orwell Dev-C++

Embarcadero Dev-C++

wxDev-C++