.F90

.F90 file extension

This is the basic program to work with .F90 extension

Code::Blocks

Code::Blocks Fortran source file

Code::Blocks is a free C, C++, and Fortran IDE that is fully configurable. Built around a plugin framework, Code::Blocks can be extended with plugins. Any kind of functionality can be added by installing/coding a plugin. Its compiling and debugging functionality is already implemented by plugins... (more)

The program works with the following extensions: s, d, c, h, rc, ss, cg, hh, hxx, inl, dev, asm, f77, cpp, f90, cxx, f95, dsp, s62, dsw, xrc, hpp and java

.F90 extension is also supported by the following programs:

Microsoft Visual Studio .NET

Microsoft Visual Studio .NET Ftn95 Source File

Powerful debugger, drag-and-drop components,excellent tutorial support....
Microsoft Visual Studio 2005

Microsoft Visual Studio 2005 Fortran Source

Develop console and GUI applications with Microsoft Visual Studio 2005.
Notepad++

Notepad++ Notepad++ Document

A free source code editor and Notepad replacement.