http://www.hackenberger.at/blog/ktikz-editor-for-the-tikz-language:

KtikZ is a small application helping you to create TikZ (from the LaTeX pgf package) diagrams for your publications. It requires qt4, libpoppler, LaTeX (pdflatex), the LaTeX preview-latex-style package and pgf itself. For the eps export functionality you also need the poppler-utils package.