SVGO - Tool for optimizing SVG files
Online Image Editor - Online editor for images and animated gifs with multiple effects and tools
SVG Cleaner - Generally, SVG files produced by vector editors contain a lot of unused elements and attributes...
Pixelitor - Pixelitor is a cross-platform raster graphics editor written in Java.
Vector Artist - Vector art software designed for tablets.
Beautify - GIMP Beautify is a set of GIMP plug-ins for quickly and easily beautify photo.