http://www.codeblocks.org/features

codeblocks free download
Features
Highlights:

Open Source! GPLv3, no hidden costs.
Cross-platform. Runs on Linux, Mac, Windows (uses wxWidgets).
Written in C++. No interpreted languages or proprietary libs needed.
Extensible through plugins

Compiler:

Multiple compiler support:
GCC (MingW / GNU GCC)
MSVC++
clang
Digital Mars
Borland C++ 5.5
Open Watcom
…and more
Very fast custom build system (no makefiles needed)
Support for parallel builds (utilizing your CPU’s extra cores)
Multi-target projects
Workspaces to combine multiple projects
Inter-project dependencies inside workspace
Imports MSVC projects and workspaces (NOTE: assembly code not supported yet)
Imports Dev-C++ projects

Debugger:

Interfaces GNU GDB
Also supports MS CDB (not fully featured)
Full breakpoints support:
Code breakpoints
Data breakpoints (read, write and read/write)
Breakpoint conditions (break only when an expression is true)
Breakpoint ignore counts (break only after certain number of hits)
Display local function symbols and arguments
User-defined watches (support for watching user-defined types through scripting)
Call stack
Disassembly
Custom memory dump
Switch between threads
View CPU registers

Interface:

Syntax highlighting, customizable and extensible
Code folding for C, C++, Fortran, XML and many more files.
Tabbed interface
Code completion
Class Browser
Smart indent
One-key swap between .h and .c/.cpp files
Open files list for quick switching between files (optional)
External customizable “Tools”
To-do list management with different users
And many more features provided through plugins!