Inkscape, is a free Vector drawing program to install it: sudo apt-get install inkscape.If you want to use the Open Source alternatives to these softwares: Adobe InDesign CS6 is rated Bronze, meaning it runs but it's highly unstable, ( more info).Flash Professionnal CS6 is rated Silver, ( more info).Adobe Photoshop CS6 is also rated Silver ( more info).Adobe Illustrator CS6 is rated Silver, meaning it works but up to a certain degree of functionality.This of course doesn't mean that every Windows software will work, specially those that require Windows features only available in, well. Wine (Windows Compatibility layer) is a software that gives you the possibility to run Windows software in Linux and OSX.