What's a good C decompiler?

Question

I am searching for a decompiler for a C program. The binary is a 32-bit Linux executable. Objdump works fine, so basically I am searching for something which attempts to reconstruct the C source from the asm source.

Answer 1

If you have money to spare, Hex-Rays Decompiler could be worth your while. :-)

Answer 2

Seconding Hex-rays, but if you can't justify that cost, Boomerang might work.

Answer 3

A Linux executable? Is the program open-source?