Wireframe.cc - Sweet and simple online wireframing tool.
Fotor - Fotor is an all in one visual platform. It includes photo editor, collage maker, and graphic designer. You are free to make a visual look more beautiful.
WireframeSketcher - WireframeSketcher is a wireframing tool for creating wireframes, mockups and prototypes for desktop, web and mobile apps. It's a desktop app for Mac, Windows and Linux, and a plug-in for any Eclipse IDE.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Saola Animate - Easily create engaging HTML5 animations and interactive web content without coding skills
GIMP - GIMP is a multiplatform photo manipulation tool.