Is there any software like adobe photoshop ?
There are several software that can be used as alternatives for Adobe Photoshop. These include Paint.Net, Pixia, GIMP, Krota, Seashore, Inkscape, Xara Xtreme and Photoplus among others. Get detailed information about these and more on http://sixrevisions.com/graphics-design/10-excellent-open-source-and-free-alternatives-to-photoshop/ and http://alternativeto.net/software/adobe-photoshop/.
Yes there is a free software called Gimp that is very similar to Photoshop.
or you could try online application. http://pixlr.com/