How to make Linux C++ GUI apps

What is the easiest way to make Linux C++ GUI apps? I'm using GNOME and ubuntu 8.10.

Solution

I personally prefer QT as I prefer working with the signal/slots mechanism and just find it easy to develop applications quickly with it. Some of your other options would be wxWidgets and GTK+.

What does "pointer being freed was not allocated" mean exactly?
How do I make my device available to QEMU
Why is the printf statement for number of pennies printing off when casting the double variable to an int?
can't load bmp file with SDL_LoadBMP in CodeBlocks
Confused about casting and order of operations
FsRtlIsNameInExpression never matches anything
Is it unsafe to use getline() in c to read from stdin?
gcc cannot find function in lib
How to simply convert a float to a string in order to write it to a text file in C?
Format of Microsoft Visual Studio import library
static library doesn't contain macro
C linking error (with tcc)
In C: Created a node, forgot return the pointer to the node, but code still runs as if I returned it
Get function call argument enum type with libclang
Bind failed: Address already in use
error : storage class specified for parameter
X11: Detect general Mouse and Keyboard events
Logical AND (&&) does not short-circuit correctly in #if
How to Intentionally cause Windows Heap Corruption?
Why No Variable Declarations in Boolean Expressions in C?
Torus intersection formula for raycasting?
How to know heap overflow point?
Trace gcc linker linking process
How to use a function through header files to enter/display data in an array in C?
C struct or array to design a geometric library
Error while loading shared libraries: libpq.so.5
Understanding how to write cache-friendly code
Why the first client seems to have source ip of 0.0.0.0?
c - what is the most efficient way to copying a string?
Why the linker cannot find my local C shared library for use with FFI in Rust?