CodeImage - A tool for manage and beautify your code screenshots
snaggy - The Print Screen key is your universal screen capture button. It's located near the top right area of your keyboard, and is sometimes abbreviated to something like “Prt Scr”. You can use it anywhere - you don't need the Snaggy website open.
Unfreeze - Less typing, more coding
Glui - glui - GLUI is a GLUT-based C++ user interface library which provides controls such as buttons, checkboxes, radio buttons, and spinners to OpenGL applications. It is window-system independent, using GLUT or FreeGLUT.
Text Grab - Copy any text you see on screen
Chipit - Store and tag all your screenshots.