Try CodeBlocks, it's the best IDE for C/C++ I've come across.
Here are the features as mentioned on their website:
FeaturesHighlights:
* 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:
o GCC (MingW / GNU GCC)
o MSVC++
o Digital Mars
o Borland C++ 5.5
o Open Watcom
o ...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:
o Code breakpoints
o Data breakpoints (read, write and read/write)
o Breakpoint conditions (break only when an expression is true)
o 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++ and XML 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!
Pelles C
1. It is C99 as well as C11 compliant.
2. It is not only an IDE but one of the best free compilers available in Windows.
3. It is lightweight but extremely powerful - at least for Windows programming.
http://www.smorgasbordet.com/pellesc/